79719250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 169303680

約数和(自身を除く): 89584430

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 650, 950, 1235, 1291, 1625, 2375, 2470, 2582, 3250, 4750, 6175, 6455, 12350, 12910, 16783, 24529, 30875, 32275, 33566, 49058, 61750, 64550, 83915, 122645, 161375, 167830, 245290, 318877, 322750, 419575, 613225, 637754, 839150, 1226450, 1594385, 2097875, 3066125, 3188770, 4195750, 6132250, 7971925, 15943850, 39859625, 79719250]

約数ペア:

[(1, 79719250), (2, 39859625), (5, 15943850), (10, 7971925), (13, 6132250), (19, 4195750), (25, 3188770), (26, 3066125), (38, 2097875), (50, 1594385), (65, 1226450), (95, 839150), (125, 637754), (130, 613225), (190, 419575), (247, 322750), (250, 318877), (325, 245290), (475, 167830), (494, 161375), (650, 122645), (950, 83915), (1235, 64550), (1291, 61750), (1625, 49058), (2375, 33566), (2470, 32275), (2582, 30875), (3250, 24529), (4750, 16783), (6175, 12910), (6455, 12350)]