2546440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 6350400

約数和(自身を除く): 3803960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 83, 104, 118, 130, 166, 236, 260, 295, 332, 415, 472, 520, 590, 664, 767, 830, 1079, 1180, 1534, 1660, 2158, 2360, 3068, 3320, 3835, 4316, 4897, 5395, 6136, 7670, 8632, 9794, 10790, 15340, 19588, 21580, 24485, 30680, 39176, 43160, 48970, 63661, 97940, 127322, 195880, 254644, 318305, 509288, 636610, 1273220, 2546440]

約数ペア:

[(1, 2546440), (2, 1273220), (4, 636610), (5, 509288), (8, 318305), (10, 254644), (13, 195880), (20, 127322), (26, 97940), (40, 63661), (52, 48970), (59, 43160), (65, 39176), (83, 30680), (104, 24485), (118, 21580), (130, 19588), (166, 15340), (236, 10790), (260, 9794), (295, 8632), (332, 7670), (415, 6136), (472, 5395), (520, 4897), (590, 4316), (664, 3835), (767, 3320), (830, 3068), (1079, 2360), (1180, 2158), (1534, 1660)]