40116040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 94212720

約数和(自身を除く): 54096680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 401, 410, 488, 610, 802, 820, 1220, 1604, 1640, 2005, 2440, 2501, 3208, 4010, 5002, 8020, 10004, 12505, 16040, 16441, 20008, 24461, 25010, 32882, 48922, 50020, 65764, 82205, 97844, 100040, 122305, 131528, 164410, 195688, 244610, 328820, 489220, 657640, 978440, 1002901, 2005802, 4011604, 5014505, 8023208, 10029010, 20058020, 40116040]

約数ペア:

[(1, 40116040), (2, 20058020), (4, 10029010), (5, 8023208), (8, 5014505), (10, 4011604), (20, 2005802), (40, 1002901), (41, 978440), (61, 657640), (82, 489220), (122, 328820), (164, 244610), (205, 195688), (244, 164410), (305, 131528), (328, 122305), (401, 100040), (410, 97844), (488, 82205), (610, 65764), (802, 50020), (820, 48922), (1220, 32882), (1604, 25010), (1640, 24461), (2005, 20008), (2440, 16441), (2501, 16040), (3208, 12505), (4010, 10004), (5002, 8020)]