25280768

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 55224792

約数和(自身を除く): 29944024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 157, 256, 272, 296, 314, 544, 592, 628, 629, 1088, 1184, 1256, 1258, 2176, 2368, 2512, 2516, 2669, 4352, 4736, 5024, 5032, 5338, 5809, 9472, 10048, 10064, 10676, 11618, 20096, 20128, 21352, 23236, 40192, 40256, 42704, 46472, 80512, 85408, 92944, 98753, 161024, 170816, 185888, 197506, 341632, 371776, 395012, 683264, 743552, 790024, 1487104, 1580048, 3160096, 6320192, 12640384, 25280768]

約数ペア:

[(1, 25280768), (2, 12640384), (4, 6320192), (8, 3160096), (16, 1580048), (17, 1487104), (32, 790024), (34, 743552), (37, 683264), (64, 395012), (68, 371776), (74, 341632), (128, 197506), (136, 185888), (148, 170816), (157, 161024), (256, 98753), (272, 92944), (296, 85408), (314, 80512), (544, 46472), (592, 42704), (628, 40256), (629, 40192), (1088, 23236), (1184, 21352), (1256, 20128), (1258, 20096), (2176, 11618), (2368, 10676), (2512, 10064), (2516, 10048), (2669, 9472), (4352, 5809), (4736, 5338), (5024, 5032)]