28982840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19583}}^1$

素因数の和:19631

約数の個数: 32

約数和(自身を含む): 66977280

約数和(自身を除く): 37994440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 19583, 39166, 78332, 97915, 156664, 195830, 391660, 724571, 783320, 1449142, 2898284, 3622855, 5796568, 7245710, 14491420, 28982840]

約数ペア:

[(1, 28982840), (2, 14491420), (4, 7245710), (5, 5796568), (8, 3622855), (10, 2898284), (20, 1449142), (37, 783320), (40, 724571), (74, 391660), (148, 195830), (185, 156664), (296, 97915), (370, 78332), (740, 39166), (1480, 19583)]