201313240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19583}}^1$

素因数の和:19851

約数の個数: 32

約数和(自身を含む): 454740480

約数和(自身を除く): 253427240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 19583, 39166, 78332, 97915, 156664, 195830, 391660, 783320, 5032831, 10065662, 20131324, 25164155, 40262648, 50328310, 100656620, 201313240]

約数ペア:

[(1, 201313240), (2, 100656620), (4, 50328310), (5, 40262648), (8, 25164155), (10, 20131324), (20, 10065662), (40, 5032831), (257, 783320), (514, 391660), (1028, 195830), (1285, 156664), (2056, 97915), (2570, 78332), (5140, 39166), (10280, 19583)]