79442500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 60

約数和(自身を含む): 178005520

約数和(自身を除く): 98563020

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 625, 739, 860, 1075, 1250, 1478, 2150, 2500, 2956, 3695, 4300, 5375, 7390, 10750, 14780, 18475, 21500, 26875, 31777, 36950, 53750, 63554, 73900, 92375, 107500, 127108, 158885, 184750, 317770, 369500, 461875, 635540, 794425, 923750, 1588850, 1847500, 3177700, 3972125, 7944250, 15888500, 19860625, 39721250, 79442500]

約数ペア:

[(1, 79442500), (2, 39721250), (4, 19860625), (5, 15888500), (10, 7944250), (20, 3972125), (25, 3177700), (43, 1847500), (50, 1588850), (86, 923750), (100, 794425), (125, 635540), (172, 461875), (215, 369500), (250, 317770), (430, 184750), (500, 158885), (625, 127108), (739, 107500), (860, 92375), (1075, 73900), (1250, 63554), (1478, 53750), (2150, 36950), (2500, 31777), (2956, 26875), (3695, 21500), (4300, 18475), (5375, 14780), (7390, 10750)]