40004672

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 56

約数和(自身を含む): 85258656

約数和(自身を除く): 45253984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 83, 136, 166, 272, 332, 443, 544, 664, 886, 1088, 1328, 1411, 1772, 2656, 2822, 3544, 5312, 5644, 7088, 7531, 11288, 14176, 15062, 22576, 28352, 30124, 36769, 45152, 60248, 73538, 90304, 120496, 147076, 240992, 294152, 481984, 588304, 625073, 1176608, 1250146, 2353216, 2500292, 5000584, 10001168, 20002336, 40004672]

約数ペア:

[(1, 40004672), (2, 20002336), (4, 10001168), (8, 5000584), (16, 2500292), (17, 2353216), (32, 1250146), (34, 1176608), (64, 625073), (68, 588304), (83, 481984), (136, 294152), (166, 240992), (272, 147076), (332, 120496), (443, 90304), (544, 73538), (664, 60248), (886, 45152), (1088, 36769), (1328, 30124), (1411, 28352), (1772, 22576), (2656, 15062), (2822, 14176), (3544, 11288), (5312, 7531), (5644, 7088)]