105408040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 248346000

約数和(自身を除く): 142937960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1021, 1160, 1780, 2042, 2581, 3560, 4084, 5105, 5162, 8168, 10210, 10324, 12905, 20420, 20648, 25810, 29609, 40840, 51620, 59218, 90869, 103240, 118436, 148045, 181738, 236872, 296090, 363476, 454345, 592180, 726952, 908690, 1184360, 1817380, 2635201, 3634760, 5270402, 10540804, 13176005, 21081608, 26352010, 52704020, 105408040]

約数ペア:

[(1, 105408040), (2, 52704020), (4, 26352010), (5, 21081608), (8, 13176005), (10, 10540804), (20, 5270402), (29, 3634760), (40, 2635201), (58, 1817380), (89, 1184360), (116, 908690), (145, 726952), (178, 592180), (232, 454345), (290, 363476), (356, 296090), (445, 236872), (580, 181738), (712, 148045), (890, 118436), (1021, 103240), (1160, 90869), (1780, 59218), (2042, 51620), (2581, 40840), (3560, 29609), (4084, 25810), (5105, 20648), (5162, 20420), (8168, 12905), (10210, 10324)]