77898320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26317}}^1$

素因数の和:26367

約数の個数: 40

約数和(自身を含む): 186015624

約数和(自身を除く): 108117304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 26317, 52634, 105268, 131585, 210536, 263170, 421072, 526340, 973729, 1052680, 1947458, 2105360, 3894916, 4868645, 7789832, 9737290, 15579664, 19474580, 38949160, 77898320]

約数ペア:

[(1, 77898320), (2, 38949160), (4, 19474580), (5, 15579664), (8, 9737290), (10, 7789832), (16, 4868645), (20, 3894916), (37, 2105360), (40, 1947458), (74, 1052680), (80, 973729), (148, 526340), (185, 421072), (296, 263170), (370, 210536), (592, 131585), (740, 105268), (1480, 52634), (2960, 26317)]