64795120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62303}}^1$

素因数の和:62329

約数の個数: 40

約数和(自身を含む): 162239616

約数和(自身を除く): 97444496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62303, 124606, 249212, 311515, 498424, 623030, 809939, 996848, 1246060, 1619878, 2492120, 3239756, 4049695, 4984240, 6479512, 8099390, 12959024, 16198780, 32397560, 64795120]

約数ペア:

[(1, 64795120), (2, 32397560), (4, 16198780), (5, 12959024), (8, 8099390), (10, 6479512), (13, 4984240), (16, 4049695), (20, 3239756), (26, 2492120), (40, 1619878), (52, 1246060), (65, 996848), (80, 809939), (104, 623030), (130, 498424), (208, 311515), (260, 249212), (520, 124606), (1040, 62303)]