25412500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 59058720

約数和(自身を除く): 33646220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 125, 190, 214, 250, 380, 428, 475, 500, 535, 625, 950, 1070, 1250, 1900, 2033, 2140, 2375, 2500, 2675, 3125, 4066, 4750, 5350, 6250, 8132, 9500, 10165, 10700, 11875, 12500, 13375, 20330, 23750, 26750, 40660, 47500, 50825, 53500, 59375, 66875, 101650, 118750, 133750, 203300, 237500, 254125, 267500, 334375, 508250, 668750, 1016500, 1270625, 1337500, 2541250, 5082500, 6353125, 12706250, 25412500]

約数ペア:

[(1, 25412500), (2, 12706250), (4, 6353125), (5, 5082500), (10, 2541250), (19, 1337500), (20, 1270625), (25, 1016500), (38, 668750), (50, 508250), (76, 334375), (95, 267500), (100, 254125), (107, 237500), (125, 203300), (190, 133750), (214, 118750), (250, 101650), (380, 66875), (428, 59375), (475, 53500), (500, 50825), (535, 47500), (625, 40660), (950, 26750), (1070, 23750), (1250, 20330), (1900, 13375), (2033, 12500), (2140, 11875), (2375, 10700), (2500, 10165), (2675, 9500), (3125, 8132), (4066, 6250), (4750, 5350)]