131296400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5381}}^1$

素因数の和:5460

約数の個数: 60

約数和(自身を含む): 320670324

約数和(自身を除く): 189373924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 4880, 5381, 6100, 10762, 12200, 21524, 24400, 26905, 43048, 53810, 86096, 107620, 134525, 215240, 269050, 328241, 430480, 538100, 656482, 1076200, 1312964, 1641205, 2152400, 2625928, 3282410, 5251856, 6564820, 8206025, 13129640, 16412050, 26259280, 32824100, 65648200, 131296400]

約数ペア:

[(1, 131296400), (2, 65648200), (4, 32824100), (5, 26259280), (8, 16412050), (10, 13129640), (16, 8206025), (20, 6564820), (25, 5251856), (40, 3282410), (50, 2625928), (61, 2152400), (80, 1641205), (100, 1312964), (122, 1076200), (200, 656482), (244, 538100), (305, 430480), (400, 328241), (488, 269050), (610, 215240), (976, 134525), (1220, 107620), (1525, 86096), (2440, 53810), (3050, 43048), (4880, 26905), (5381, 24400), (6100, 21524), (10762, 12200)]