51072500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:714

約数の個数: 60

約数和(自身を含む): 115463040

約数和(自身を除く): 64390540

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 625, 659, 775, 1250, 1318, 1550, 2500, 2636, 3100, 3295, 3875, 6590, 7750, 13180, 15500, 16475, 19375, 20429, 32950, 38750, 40858, 65900, 77500, 81716, 82375, 102145, 164750, 204290, 329500, 408580, 411875, 510725, 823750, 1021450, 1647500, 2042900, 2553625, 5107250, 10214500, 12768125, 25536250, 51072500]

約数ペア:

[(1, 51072500), (2, 25536250), (4, 12768125), (5, 10214500), (10, 5107250), (20, 2553625), (25, 2042900), (31, 1647500), (50, 1021450), (62, 823750), (100, 510725), (124, 411875), (125, 408580), (155, 329500), (250, 204290), (310, 164750), (500, 102145), (620, 82375), (625, 81716), (659, 77500), (775, 65900), (1250, 40858), (1318, 38750), (1550, 32950), (2500, 20429), (2636, 19375), (3100, 16475), (3295, 15500), (3875, 13180), (6590, 7750)]