39992680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11018

約数の個数: 64

約数和(自身を含む): 110759040

約数和(自身を除く): 70766360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 10987, 21974, 43948, 54935, 76909, 87896, 109870, 142831, 153818, 219740, 285662, 307636, 384545, 439480, 571324, 615272, 714155, 769090, 999817, 1142648, 1428310, 1538180, 1999634, 2856620, 3076360, 3999268, 4999085, 5713240, 7998536, 9998170, 19996340, 39992680]

約数ペア:

[(1, 39992680), (2, 19996340), (4, 9998170), (5, 7998536), (7, 5713240), (8, 4999085), (10, 3999268), (13, 3076360), (14, 2856620), (20, 1999634), (26, 1538180), (28, 1428310), (35, 1142648), (40, 999817), (52, 769090), (56, 714155), (65, 615272), (70, 571324), (91, 439480), (104, 384545), (130, 307636), (140, 285662), (182, 219740), (260, 153818), (280, 142831), (364, 109870), (455, 87896), (520, 76909), (728, 54935), (910, 43948), (1820, 21974), (3640, 10987)]