39581750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 84127680

約数和(自身を除く): 44545930

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 641, 650, 950, 1235, 1282, 1625, 2375, 2470, 3205, 3250, 4750, 6175, 6410, 8333, 12179, 12350, 16025, 16666, 24358, 30875, 32050, 41665, 60895, 61750, 80125, 83330, 121790, 158327, 160250, 208325, 304475, 316654, 416650, 608950, 791635, 1041625, 1522375, 1583270, 2083250, 3044750, 3958175, 7916350, 19790875, 39581750]

約数ペア:

[(1, 39581750), (2, 19790875), (5, 7916350), (10, 3958175), (13, 3044750), (19, 2083250), (25, 1583270), (26, 1522375), (38, 1041625), (50, 791635), (65, 608950), (95, 416650), (125, 316654), (130, 304475), (190, 208325), (247, 160250), (250, 158327), (325, 121790), (475, 83330), (494, 80125), (641, 61750), (650, 60895), (950, 41665), (1235, 32050), (1282, 30875), (1625, 24358), (2375, 16666), (2470, 16025), (3205, 12350), (3250, 12179), (4750, 8333), (6175, 6410)]