80405440

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6791}}^1$

素因数の和:6845

約数の個数: 56

約数和(自身を含む): 196669152

約数和(自身を除く): 116263712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 6791, 11840, 13582, 27164, 33955, 54328, 67910, 108656, 135820, 217312, 251267, 271640, 434624, 502534, 543280, 1005068, 1086560, 1256335, 2010136, 2173120, 2512670, 4020272, 5025340, 8040544, 10050680, 16081088, 20101360, 40202720, 80405440]

約数ペア:

[(1, 80405440), (2, 40202720), (4, 20101360), (5, 16081088), (8, 10050680), (10, 8040544), (16, 5025340), (20, 4020272), (32, 2512670), (37, 2173120), (40, 2010136), (64, 1256335), (74, 1086560), (80, 1005068), (148, 543280), (160, 502534), (185, 434624), (296, 271640), (320, 251267), (370, 217312), (592, 135820), (740, 108656), (1184, 67910), (1480, 54328), (2368, 33955), (2960, 27164), (5920, 13582), (6791, 11840)]