57512500

素因数分解:

$2^2\times 5^5\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 129929184

約数和(自身を除く): 72416684

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 107, 125, 172, 214, 215, 250, 428, 430, 500, 535, 625, 860, 1070, 1075, 1250, 2140, 2150, 2500, 2675, 3125, 4300, 4601, 5350, 5375, 6250, 9202, 10700, 10750, 12500, 13375, 18404, 21500, 23005, 26750, 26875, 46010, 53500, 53750, 66875, 92020, 107500, 115025, 133750, 134375, 230050, 267500, 268750, 334375, 460100, 537500, 575125, 668750, 1150250, 1337500, 2300500, 2875625, 5751250, 11502500, 14378125, 28756250, 57512500]

約数ペア:

[(1, 57512500), (2, 28756250), (4, 14378125), (5, 11502500), (10, 5751250), (20, 2875625), (25, 2300500), (43, 1337500), (50, 1150250), (86, 668750), (100, 575125), (107, 537500), (125, 460100), (172, 334375), (214, 268750), (215, 267500), (250, 230050), (428, 134375), (430, 133750), (500, 115025), (535, 107500), (625, 92020), (860, 66875), (1070, 53750), (1075, 53500), (1250, 46010), (2140, 26875), (2150, 26750), (2500, 23005), (2675, 21500), (3125, 18404), (4300, 13375), (4601, 12500), (5350, 10750), (5375, 10700), (6250, 9202)]