39615520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 113073408

約数和(自身を除く): 73457888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 163, 196, 217, 224, 245, 248, 280, 310, 326, 392, 434, 490, 496, 560, 620, 652, 784, 815, 868, 980, 992, 1085, 1120, 1141, 1240, 1304, 1519, 1568, 1630, 1736, 1960, 2170, 2282, 2480, 2608, 3038, 3260, 3472, 3920, 4340, 4564, 4960, 5053, 5216, 5705, 6076, 6520, 6944, 7595, 7840, 7987, 8680, 9128, 10106, 11410, 12152, 13040, 15190, 15974, 17360, 18256, 20212, 22820, 24304, 25265, 26080, 30380, 31948, 34720, 35371, 36512, 39935, 40424, 45640, 48608, 50530, 60760, 63896, 70742, 79870, 80848, 91280, 101060, 121520, 127792, 141484, 159740, 161696, 176855, 182560, 202120, 243040, 247597, 255584, 282968, 319480, 353710, 404240, 495194, 565936, 638960, 707420, 808480, 990388, 1131872, 1237985, 1277920, 1414840, 1980776, 2475970, 2829680, 3961552, 4951940, 5659360, 7923104, 9903880, 19807760, 39615520]

約数ペア:

[(1, 39615520), (2, 19807760), (4, 9903880), (5, 7923104), (7, 5659360), (8, 4951940), (10, 3961552), (14, 2829680), (16, 2475970), (20, 1980776), (28, 1414840), (31, 1277920), (32, 1237985), (35, 1131872), (40, 990388), (49, 808480), (56, 707420), (62, 638960), (70, 565936), (80, 495194), (98, 404240), (112, 353710), (124, 319480), (140, 282968), (155, 255584), (160, 247597), (163, 243040), (196, 202120), (217, 182560), (224, 176855), (245, 161696), (248, 159740), (280, 141484), (310, 127792), (326, 121520), (392, 101060), (434, 91280), (490, 80848), (496, 79870), (560, 70742), (620, 63896), (652, 60760), (784, 50530), (815, 48608), (868, 45640), (980, 40424), (992, 39935), (1085, 36512), (1120, 35371), (1141, 34720), (1240, 31948), (1304, 30380), (1519, 26080), (1568, 25265), (1630, 24304), (1736, 22820), (1960, 20212), (2170, 18256), (2282, 17360), (2480, 15974), (2608, 15190), (3038, 13040), (3260, 12152), (3472, 11410), (3920, 10106), (4340, 9128), (4564, 8680), (4960, 7987), (5053, 7840), (5216, 7595), (5705, 6944), (6076, 6520)]