71996080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 185238144

約数和(自身を除く): 113242064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1871, 1924, 2405, 2960, 3742, 3848, 4810, 7484, 7696, 9355, 9620, 14968, 18710, 19240, 24323, 29936, 37420, 38480, 48646, 69227, 74840, 97292, 121615, 138454, 149680, 194584, 243230, 276908, 346135, 389168, 486460, 553816, 692270, 899951, 972920, 1107632, 1384540, 1799902, 1945840, 2769080, 3599804, 4499755, 5538160, 7199608, 8999510, 14399216, 17999020, 35998040, 71996080]

約数ペア:

[(1, 71996080), (2, 35998040), (4, 17999020), (5, 14399216), (8, 8999510), (10, 7199608), (13, 5538160), (16, 4499755), (20, 3599804), (26, 2769080), (37, 1945840), (40, 1799902), (52, 1384540), (65, 1107632), (74, 972920), (80, 899951), (104, 692270), (130, 553816), (148, 486460), (185, 389168), (208, 346135), (260, 276908), (296, 243230), (370, 194584), (481, 149680), (520, 138454), (592, 121615), (740, 97292), (962, 74840), (1040, 69227), (1480, 48646), (1871, 38480), (1924, 37420), (2405, 29936), (2960, 24323), (3742, 19240), (3848, 18710), (4810, 14968), (7484, 9620), (7696, 9355)]