71814440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61909}}^1$

素因数の和:61949

約数の個数: 32

約数和(自身を含む): 167157000

約数和(自身を除く): 95342560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61909, 123818, 247636, 309545, 495272, 619090, 1238180, 1795361, 2476360, 3590722, 7181444, 8976805, 14362888, 17953610, 35907220, 71814440]

約数ペア:

[(1, 71814440), (2, 35907220), (4, 17953610), (5, 14362888), (8, 8976805), (10, 7181444), (20, 3590722), (29, 2476360), (40, 1795361), (58, 1238180), (116, 619090), (145, 495272), (232, 309545), (290, 247636), (580, 123818), (1160, 61909)]