81499660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6073}}^1$

素因数の和:6154

約数の個数: 48

約数和(自身を含む): 189800352

約数和(自身を除く): 108300692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6073, 6710, 12146, 13420, 24292, 30365, 60730, 66803, 121460, 133606, 267212, 334015, 370453, 668030, 740906, 1336060, 1481812, 1852265, 3704530, 4074983, 7409060, 8149966, 16299932, 20374915, 40749830, 81499660]

約数ペア:

[(1, 81499660), (2, 40749830), (4, 20374915), (5, 16299932), (10, 8149966), (11, 7409060), (20, 4074983), (22, 3704530), (44, 1852265), (55, 1481812), (61, 1336060), (110, 740906), (122, 668030), (220, 370453), (244, 334015), (305, 267212), (610, 133606), (671, 121460), (1220, 66803), (1342, 60730), (2684, 30365), (3355, 24292), (6073, 13420), (6710, 12146)]