40605908

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 87945984

約数和(自身を除く): 47340076

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 49, 62, 82, 98, 124, 163, 164, 196, 217, 287, 326, 434, 574, 652, 868, 1141, 1148, 1271, 1519, 2009, 2282, 2542, 3038, 4018, 4564, 5053, 5084, 6076, 6683, 7987, 8036, 8897, 10106, 13366, 15974, 17794, 20212, 26732, 31948, 35371, 35588, 46781, 62279, 70742, 93562, 124558, 141484, 187124, 207173, 247597, 249116, 327467, 414346, 495194, 654934, 828692, 990388, 1309868, 1450211, 2900422, 5800844, 10151477, 20302954, 40605908]

約数ペア:

[(1, 40605908), (2, 20302954), (4, 10151477), (7, 5800844), (14, 2900422), (28, 1450211), (31, 1309868), (41, 990388), (49, 828692), (62, 654934), (82, 495194), (98, 414346), (124, 327467), (163, 249116), (164, 247597), (196, 207173), (217, 187124), (287, 141484), (326, 124558), (434, 93562), (574, 70742), (652, 62279), (868, 46781), (1141, 35588), (1148, 35371), (1271, 31948), (1519, 26732), (2009, 20212), (2282, 17794), (2542, 15974), (3038, 13366), (4018, 10106), (4564, 8897), (5053, 8036), (5084, 7987), (6076, 6683)]