31789280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10457}}^1$

素因数の和:10491

約数の個数: 48

約数和(自身を含む): 79062480

約数和(自身を除く): 47273200

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, 10457, 20914, 41828, 52285, 83656, 104570, 167312, 198683, 209140, 334624, 397366, 418280, 794732, 836560, 993415, 1589464, 1673120, 1986830, 3178928, 3973660, 6357856, 7947320, 15894640, 31789280]

約数ペア:

[(1, 31789280), (2, 15894640), (4, 7947320), (5, 6357856), (8, 3973660), (10, 3178928), (16, 1986830), (19, 1673120), (20, 1589464), (32, 993415), (38, 836560), (40, 794732), (76, 418280), (80, 397366), (95, 334624), (152, 209140), (160, 198683), (190, 167312), (304, 104570), (380, 83656), (608, 52285), (760, 41828), (1520, 20914), (3040, 10457)]