72502480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47699}}^1$

素因数の和:47731

約数の個数: 40

約数和(自身を含む): 177444000

約数和(自身を除く): 104941520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47699, 95398, 190796, 238495, 381592, 476990, 763184, 906281, 953980, 1812562, 1907960, 3625124, 3815920, 4531405, 7250248, 9062810, 14500496, 18125620, 36251240, 72502480]

約数ペア:

[(1, 72502480), (2, 36251240), (4, 18125620), (5, 14500496), (8, 9062810), (10, 7250248), (16, 4531405), (19, 3815920), (20, 3625124), (38, 1907960), (40, 1812562), (76, 953980), (80, 906281), (95, 763184), (152, 476990), (190, 381592), (304, 238495), (380, 190796), (760, 95398), (1520, 47699)]