84951100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 200799648

約数和(自身を除く): 115848548

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 202, 260, 325, 404, 505, 647, 650, 1010, 1294, 1300, 1313, 2020, 2525, 2588, 2626, 3235, 5050, 5252, 6470, 6565, 8411, 10100, 12940, 13130, 16175, 16822, 26260, 32350, 32825, 33644, 42055, 64700, 65347, 65650, 84110, 130694, 131300, 168220, 210275, 261388, 326735, 420550, 653470, 841100, 849511, 1306940, 1633675, 1699022, 3267350, 3398044, 4247555, 6534700, 8495110, 16990220, 21237775, 42475550, 84951100]

約数ペア:

[(1, 84951100), (2, 42475550), (4, 21237775), (5, 16990220), (10, 8495110), (13, 6534700), (20, 4247555), (25, 3398044), (26, 3267350), (50, 1699022), (52, 1633675), (65, 1306940), (100, 849511), (101, 841100), (130, 653470), (202, 420550), (260, 326735), (325, 261388), (404, 210275), (505, 168220), (647, 131300), (650, 130694), (1010, 84110), (1294, 65650), (1300, 65347), (1313, 64700), (2020, 42055), (2525, 33644), (2588, 32825), (2626, 32350), (3235, 26260), (5050, 16822), (5252, 16175), (6470, 13130), (6565, 12940), (8411, 10100)]