28394140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 63108864

約数和(自身を除く): 34714724

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1117, 1271, 2234, 2542, 4468, 5084, 5585, 6355, 11170, 12710, 22340, 25420, 34627, 45797, 69254, 91594, 138508, 173135, 183188, 228985, 346270, 457970, 692540, 915940, 1419707, 2839414, 5678828, 7098535, 14197070, 28394140]

約数ペア:

[(1, 28394140), (2, 14197070), (4, 7098535), (5, 5678828), (10, 2839414), (20, 1419707), (31, 915940), (41, 692540), (62, 457970), (82, 346270), (124, 228985), (155, 183188), (164, 173135), (205, 138508), (310, 91594), (410, 69254), (620, 45797), (820, 34627), (1117, 25420), (1271, 22340), (2234, 12710), (2542, 11170), (4468, 6355), (5084, 5585)]