18781455880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{89113}}^1$

素因数の和:89614

約数の個数: 64

約数和(自身を含む): 46196697600

約数和(自身を除く): 27415241720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 479, 958, 1916, 2395, 3832, 4790, 5269, 9580, 10538, 19160, 21076, 26345, 42152, 52690, 89113, 105380, 178226, 210760, 356452, 445565, 712904, 891130, 980243, 1782260, 1960486, 3564520, 3920972, 4901215, 7841944, 9802430, 19604860, 39209720, 42685127, 85370254, 170740508, 213425635, 341481016, 426851270, 469536397, 853702540, 939072794, 1707405080, 1878145588, 2347681985, 3756291176, 4695363970, 9390727940, 18781455880]

約数ペア:

[(1, 18781455880), (2, 9390727940), (4, 4695363970), (5, 3756291176), (8, 2347681985), (10, 1878145588), (11, 1707405080), (20, 939072794), (22, 853702540), (40, 469536397), (44, 426851270), (55, 341481016), (88, 213425635), (110, 170740508), (220, 85370254), (440, 42685127), (479, 39209720), (958, 19604860), (1916, 9802430), (2395, 7841944), (3832, 4901215), (4790, 3920972), (5269, 3564520), (9580, 1960486), (10538, 1782260), (19160, 980243), (21076, 891130), (26345, 712904), (42152, 445565), (52690, 356452), (89113, 210760), (105380, 178226)]