68966320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27809}}^1$

素因数の和:27853

約数の個数: 40

約数和(自身を含む): 165525120

約数和(自身を除く): 96558800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27809, 55618, 111236, 139045, 222472, 278090, 444944, 556180, 862079, 1112360, 1724158, 2224720, 3448316, 4310395, 6896632, 8620790, 13793264, 17241580, 34483160, 68966320]

約数ペア:

[(1, 68966320), (2, 34483160), (4, 17241580), (5, 13793264), (8, 8620790), (10, 6896632), (16, 4310395), (20, 3448316), (31, 2224720), (40, 1724158), (62, 1112360), (80, 862079), (124, 556180), (155, 444944), (248, 278090), (310, 222472), (496, 139045), (620, 111236), (1240, 55618), (2480, 27809)]