104019640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 241056000

約数和(自身を除く): 137036360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 122, 178, 244, 305, 356, 445, 479, 488, 610, 712, 890, 958, 1220, 1780, 1916, 2395, 2440, 3560, 3832, 4790, 5429, 9580, 10858, 19160, 21716, 27145, 29219, 42631, 43432, 54290, 58438, 85262, 108580, 116876, 146095, 170524, 213155, 217160, 233752, 292190, 341048, 426310, 584380, 852620, 1168760, 1705240, 2600491, 5200982, 10401964, 13002455, 20803928, 26004910, 52009820, 104019640]

約数ペア:

[(1, 104019640), (2, 52009820), (4, 26004910), (5, 20803928), (8, 13002455), (10, 10401964), (20, 5200982), (40, 2600491), (61, 1705240), (89, 1168760), (122, 852620), (178, 584380), (244, 426310), (305, 341048), (356, 292190), (445, 233752), (479, 217160), (488, 213155), (610, 170524), (712, 146095), (890, 116876), (958, 108580), (1220, 85262), (1780, 58438), (1916, 54290), (2395, 43432), (2440, 42631), (3560, 29219), (3832, 27145), (4790, 21716), (5429, 19160), (9580, 10858)]