64257040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27697}}^1$

素因数の和:27739

約数の個数: 40

約数和(自身を含む): 154554840

約数和(自身を除く): 90297800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27697, 55394, 110788, 138485, 221576, 276970, 443152, 553940, 803213, 1107880, 1606426, 2215760, 3212852, 4016065, 6425704, 8032130, 12851408, 16064260, 32128520, 64257040]

約数ペア:

[(1, 64257040), (2, 32128520), (4, 16064260), (5, 12851408), (8, 8032130), (10, 6425704), (16, 4016065), (20, 3212852), (29, 2215760), (40, 1606426), (58, 1107880), (80, 803213), (116, 553940), (145, 443152), (232, 276970), (290, 221576), (464, 138485), (580, 110788), (1160, 55394), (2320, 27697)]