156964780880

素因数分解:

$2^4\times 5^1\times {\mathrm{197609}}^1\times {\mathrm{9929}}^1$

素因数の和:207551

約数の個数: 40

約数和(自身を含む): 364981717800

約数和(自身を除く): 208016936920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9929, 19858, 39716, 49645, 79432, 99290, 158864, 197609, 198580, 395218, 397160, 790436, 794320, 988045, 1580872, 1976090, 3161744, 3952180, 7904360, 15808720, 1962059761, 3924119522, 7848239044, 9810298805, 15696478088, 19620597610, 31392956176, 39241195220, 78482390440, 156964780880]

約数ペア:

[(1, 156964780880), (2, 78482390440), (4, 39241195220), (5, 31392956176), (8, 19620597610), (10, 15696478088), (16, 9810298805), (20, 7848239044), (40, 3924119522), (80, 1962059761), (9929, 15808720), (19858, 7904360), (39716, 3952180), (49645, 3161744), (79432, 1976090), (99290, 1580872), (158864, 988045), (197609, 794320), (198580, 790436), (395218, 397160)]