8979100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6907}}^1$

素因数の和:6934

約数の個数: 36

約数和(自身を含む): 20986504

約数和(自身を除く): 12007404

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6907, 13814, 27628, 34535, 69070, 89791, 138140, 172675, 179582, 345350, 359164, 448955, 690700, 897910, 1795820, 2244775, 4489550, 8979100]

約数ペア:

[(1, 8979100), (2, 4489550), (4, 2244775), (5, 1795820), (10, 897910), (13, 690700), (20, 448955), (25, 359164), (26, 345350), (50, 179582), (52, 172675), (65, 138140), (100, 89791), (130, 69070), (260, 34535), (325, 27628), (650, 13814), (1300, 6907)]