87689360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 223860672

約数和(自身を除く): 136171312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 251, 397, 440, 502, 794, 880, 1004, 1255, 1588, 1985, 2008, 2510, 2761, 3176, 3970, 4016, 4367, 5020, 5522, 6352, 7940, 8734, 10040, 11044, 13805, 15880, 17468, 20080, 21835, 22088, 27610, 31760, 34936, 43670, 44176, 55220, 69872, 87340, 99647, 110440, 174680, 199294, 220880, 349360, 398588, 498235, 797176, 996470, 1096117, 1594352, 1992940, 2192234, 3985880, 4384468, 5480585, 7971760, 8768936, 10961170, 17537872, 21922340, 43844680, 87689360]

約数ペア:

[(1, 87689360), (2, 43844680), (4, 21922340), (5, 17537872), (8, 10961170), (10, 8768936), (11, 7971760), (16, 5480585), (20, 4384468), (22, 3985880), (40, 2192234), (44, 1992940), (55, 1594352), (80, 1096117), (88, 996470), (110, 797176), (176, 498235), (220, 398588), (251, 349360), (397, 220880), (440, 199294), (502, 174680), (794, 110440), (880, 99647), (1004, 87340), (1255, 69872), (1588, 55220), (1985, 44176), (2008, 43670), (2510, 34936), (2761, 31760), (3176, 27610), (3970, 22088), (4016, 21835), (4367, 20080), (5020, 17468), (5522, 15880), (6352, 13805), (7940, 11044), (8734, 10040)]