66365440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6481}}^1$

素因数の和:6508

約数の個数: 48

約数和(自身を含む): 159262740

約数和(自身を除く): 92897300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6481, 10240, 12962, 25924, 32405, 51848, 64810, 103696, 129620, 207392, 259240, 414784, 518480, 829568, 1036960, 1659136, 2073920, 3318272, 4147840, 6636544, 8295680, 13273088, 16591360, 33182720, 66365440]

約数ペア:

[(1, 66365440), (2, 33182720), (4, 16591360), (5, 13273088), (8, 8295680), (10, 6636544), (16, 4147840), (20, 3318272), (32, 2073920), (40, 1659136), (64, 1036960), (80, 829568), (128, 518480), (160, 414784), (256, 259240), (320, 207392), (512, 129620), (640, 103696), (1024, 64810), (1280, 51848), (2048, 32405), (2560, 25924), (5120, 12962), (6481, 10240)]