12640384

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 27558360

約数和(自身を除く): 14917976

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 157, 272, 296, 314, 544, 592, 628, 629, 1088, 1184, 1256, 1258, 2176, 2368, 2512, 2516, 2669, 4736, 5024, 5032, 5338, 5809, 10048, 10064, 10676, 11618, 20096, 20128, 21352, 23236, 40256, 42704, 46472, 80512, 85408, 92944, 98753, 170816, 185888, 197506, 341632, 371776, 395012, 743552, 790024, 1580048, 3160096, 6320192, 12640384]

約数ペア:

[(1, 12640384), (2, 6320192), (4, 3160096), (8, 1580048), (16, 790024), (17, 743552), (32, 395012), (34, 371776), (37, 341632), (64, 197506), (68, 185888), (74, 170816), (128, 98753), (136, 92944), (148, 85408), (157, 80512), (272, 46472), (296, 42704), (314, 40256), (544, 23236), (592, 21352), (628, 20128), (629, 20096), (1088, 11618), (1184, 10676), (1256, 10064), (1258, 10048), (2176, 5809), (2368, 5338), (2512, 5032), (2516, 5024), (2669, 4736)]