12505280260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{288539}}^1$

素因数の和:288756

約数の個数: 48

約数和(自身を含む): 28793983680

約数和(自身を除く): 16288703420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4334, 8668, 10835, 21670, 43340, 288539, 577078, 1154156, 1442695, 2885390, 3173929, 5770780, 6347858, 12695716, 15869645, 31739290, 56842183, 63478580, 113684366, 227368732, 284210915, 568421830, 625264013, 1136843660, 1250528026, 2501056052, 3126320065, 6252640130, 12505280260]

約数ペア:

[(1, 12505280260), (2, 6252640130), (4, 3126320065), (5, 2501056052), (10, 1250528026), (11, 1136843660), (20, 625264013), (22, 568421830), (44, 284210915), (55, 227368732), (110, 113684366), (197, 63478580), (220, 56842183), (394, 31739290), (788, 15869645), (985, 12695716), (1970, 6347858), (2167, 5770780), (3940, 3173929), (4334, 2885390), (8668, 1442695), (10835, 1154156), (21670, 577078), (43340, 288539)]