80795560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 194166720

約数和(自身を除く): 113371160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 655, 680, 907, 1048, 1310, 1814, 2227, 2620, 3628, 4454, 4535, 5240, 7256, 8908, 9070, 11135, 15419, 17816, 18140, 22270, 30838, 36280, 44540, 61676, 77095, 89080, 118817, 123352, 154190, 237634, 308380, 475268, 594085, 616760, 950536, 1188170, 2019889, 2376340, 4039778, 4752680, 8079556, 10099445, 16159112, 20198890, 40397780, 80795560]

約数ペア:

[(1, 80795560), (2, 40397780), (4, 20198890), (5, 16159112), (8, 10099445), (10, 8079556), (17, 4752680), (20, 4039778), (34, 2376340), (40, 2019889), (68, 1188170), (85, 950536), (131, 616760), (136, 594085), (170, 475268), (262, 308380), (340, 237634), (524, 154190), (655, 123352), (680, 118817), (907, 89080), (1048, 77095), (1310, 61676), (1814, 44540), (2227, 36280), (2620, 30838), (3628, 22270), (4454, 18140), (4535, 17816), (5240, 15419), (7256, 11135), (8908, 9070)]