85820900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 206653440

約数和(自身を除く): 120832540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 550, 610, 671, 1100, 1220, 1279, 1342, 1525, 2558, 2684, 3050, 3355, 5116, 6100, 6395, 6710, 12790, 13420, 14069, 16775, 25580, 28138, 31975, 33550, 56276, 63950, 67100, 70345, 78019, 127900, 140690, 156038, 281380, 312076, 351725, 390095, 703450, 780190, 858209, 1406900, 1560380, 1716418, 1950475, 3432836, 3900950, 4291045, 7801900, 8582090, 17164180, 21455225, 42910450, 85820900]

約数ペア:

[(1, 85820900), (2, 42910450), (4, 21455225), (5, 17164180), (10, 8582090), (11, 7801900), (20, 4291045), (22, 3900950), (25, 3432836), (44, 1950475), (50, 1716418), (55, 1560380), (61, 1406900), (100, 858209), (110, 780190), (122, 703450), (220, 390095), (244, 351725), (275, 312076), (305, 281380), (550, 156038), (610, 140690), (671, 127900), (1100, 78019), (1220, 70345), (1279, 67100), (1342, 63950), (1525, 56276), (2558, 33550), (2684, 31975), (3050, 28138), (3355, 25580), (5116, 16775), (6100, 14069), (6395, 13420), (6710, 12790)]