40988480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 112

約数和(自身を含む): 107533440

約数和(自身を除く): 66544960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 130, 160, 167, 208, 236, 260, 295, 320, 334, 416, 472, 520, 590, 668, 767, 832, 835, 944, 1040, 1180, 1336, 1534, 1670, 1888, 2080, 2171, 2360, 2672, 3068, 3340, 3776, 3835, 4160, 4342, 4720, 5344, 6136, 6680, 7670, 8684, 9440, 9853, 10688, 10855, 12272, 13360, 15340, 17368, 18880, 19706, 21710, 24544, 26720, 30680, 34736, 39412, 43420, 49088, 49265, 53440, 61360, 69472, 78824, 86840, 98530, 122720, 128089, 138944, 157648, 173680, 197060, 245440, 256178, 315296, 347360, 394120, 512356, 630592, 640445, 694720, 788240, 1024712, 1280890, 1576480, 2049424, 2561780, 3152960, 4098848, 5123560, 8197696, 10247120, 20494240, 40988480]

約数ペア:

[(1, 40988480), (2, 20494240), (4, 10247120), (5, 8197696), (8, 5123560), (10, 4098848), (13, 3152960), (16, 2561780), (20, 2049424), (26, 1576480), (32, 1280890), (40, 1024712), (52, 788240), (59, 694720), (64, 640445), (65, 630592), (80, 512356), (104, 394120), (118, 347360), (130, 315296), (160, 256178), (167, 245440), (208, 197060), (236, 173680), (260, 157648), (295, 138944), (320, 128089), (334, 122720), (416, 98530), (472, 86840), (520, 78824), (590, 69472), (668, 61360), (767, 53440), (832, 49265), (835, 49088), (944, 43420), (1040, 39412), (1180, 34736), (1336, 30680), (1534, 26720), (1670, 24544), (1888, 21710), (2080, 19706), (2171, 18880), (2360, 17368), (2672, 15340), (3068, 13360), (3340, 12272), (3776, 10855), (3835, 10688), (4160, 9853), (4342, 9440), (4720, 8684), (5344, 7670), (6136, 6680)]