11721760

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 28170072

約数和(自身を除く): 16448312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1201, 1220, 1952, 2402, 2440, 4804, 4880, 6005, 9608, 9760, 12010, 19216, 24020, 38432, 48040, 73261, 96080, 146522, 192160, 293044, 366305, 586088, 732610, 1172176, 1465220, 2344352, 2930440, 5860880, 11721760]

約数ペア:

[(1, 11721760), (2, 5860880), (4, 2930440), (5, 2344352), (8, 1465220), (10, 1172176), (16, 732610), (20, 586088), (32, 366305), (40, 293044), (61, 192160), (80, 146522), (122, 96080), (160, 73261), (244, 48040), (305, 38432), (488, 24020), (610, 19216), (976, 12010), (1201, 9760), (1220, 9608), (1952, 6005), (2402, 4880), (2440, 4804)]