13933880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 34318080

約数和(自身を除く): 20384200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 661, 680, 1054, 1240, 1322, 2108, 2635, 2644, 3305, 4216, 5270, 5288, 6610, 10540, 11237, 13220, 20491, 21080, 22474, 26440, 40982, 44948, 56185, 81964, 89896, 102455, 112370, 163928, 204910, 224740, 348347, 409820, 449480, 696694, 819640, 1393388, 1741735, 2786776, 3483470, 6966940, 13933880]

約数ペア:

[(1, 13933880), (2, 6966940), (4, 3483470), (5, 2786776), (8, 1741735), (10, 1393388), (17, 819640), (20, 696694), (31, 449480), (34, 409820), (40, 348347), (62, 224740), (68, 204910), (85, 163928), (124, 112370), (136, 102455), (155, 89896), (170, 81964), (248, 56185), (310, 44948), (340, 40982), (527, 26440), (620, 22474), (661, 21080), (680, 20491), (1054, 13220), (1240, 11237), (1322, 10540), (2108, 6610), (2635, 5288), (2644, 5270), (3305, 4216)]