71069440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4305

約数の個数: 72

約数和(自身を含む): 183371328

約数和(自身を除く): 112301888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4271, 8320, 8542, 16640, 17084, 21355, 34168, 42710, 55523, 68336, 85420, 111046, 136672, 170840, 222092, 273344, 277615, 341680, 444184, 546688, 555230, 683360, 888368, 1093376, 1110460, 1366720, 1776736, 2220920, 2733440, 3553472, 4441840, 5466880, 7106944, 8883680, 14213888, 17767360, 35534720, 71069440]

約数ペア:

[(1, 71069440), (2, 35534720), (4, 17767360), (5, 14213888), (8, 8883680), (10, 7106944), (13, 5466880), (16, 4441840), (20, 3553472), (26, 2733440), (32, 2220920), (40, 1776736), (52, 1366720), (64, 1110460), (65, 1093376), (80, 888368), (104, 683360), (128, 555230), (130, 546688), (160, 444184), (208, 341680), (256, 277615), (260, 273344), (320, 222092), (416, 170840), (520, 136672), (640, 111046), (832, 85420), (1040, 68336), (1280, 55523), (1664, 42710), (2080, 34168), (3328, 21355), (4160, 17084), (4271, 16640), (8320, 8542)]