105856400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20357}}^1$

素因数の和:20388

約数の個数: 60

約数和(自身を含む): 273896532

約数和(自身を除く): 168040132

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 20357, 40714, 81428, 101785, 162856, 203570, 264641, 325712, 407140, 508925, 529282, 814280, 1017850, 1058564, 1323205, 1628560, 2035700, 2117128, 2646410, 4071400, 4234256, 5292820, 6616025, 8142800, 10585640, 13232050, 21171280, 26464100, 52928200, 105856400]

約数ペア:

[(1, 105856400), (2, 52928200), (4, 26464100), (5, 21171280), (8, 13232050), (10, 10585640), (13, 8142800), (16, 6616025), (20, 5292820), (25, 4234256), (26, 4071400), (40, 2646410), (50, 2117128), (52, 2035700), (65, 1628560), (80, 1323205), (100, 1058564), (104, 1017850), (130, 814280), (200, 529282), (208, 508925), (260, 407140), (325, 325712), (400, 264641), (520, 203570), (650, 162856), (1040, 101785), (1300, 81428), (2600, 40714), (5200, 20357)]