40909280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13457}}^1$

素因数の和:13491

約数の個数: 48

約数和(自身を含む): 101742480

約数和(自身を除く): 60833200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13457, 26914, 53828, 67285, 107656, 134570, 215312, 255683, 269140, 430624, 511366, 538280, 1022732, 1076560, 1278415, 2045464, 2153120, 2556830, 4090928, 5113660, 8181856, 10227320, 20454640, 40909280]

約数ペア:

[(1, 40909280), (2, 20454640), (4, 10227320), (5, 8181856), (8, 5113660), (10, 4090928), (16, 2556830), (19, 2153120), (20, 2045464), (32, 1278415), (38, 1076560), (40, 1022732), (76, 538280), (80, 511366), (95, 430624), (152, 269140), (160, 255683), (190, 215312), (304, 134570), (380, 107656), (608, 67285), (760, 53828), (1520, 26914), (3040, 13457)]