71201420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 158167296

約数和(自身を除く): 86965876

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 2801, 5084, 5602, 6355, 11204, 12710, 14005, 25420, 28010, 56020, 86831, 114841, 173662, 229682, 347324, 434155, 459364, 574205, 868310, 1148410, 1736620, 2296820, 3560071, 7120142, 14240284, 17800355, 35600710, 71201420]

約数ペア:

[(1, 71201420), (2, 35600710), (4, 17800355), (5, 14240284), (10, 7120142), (20, 3560071), (31, 2296820), (41, 1736620), (62, 1148410), (82, 868310), (124, 574205), (155, 459364), (164, 434155), (205, 347324), (310, 229682), (410, 173662), (620, 114841), (820, 86831), (1271, 56020), (2542, 28010), (2801, 25420), (5084, 14005), (5602, 12710), (6355, 11204)]