39919750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 82083456

約数和(自身を除く): 42163706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 125, 130, 142, 173, 250, 325, 346, 355, 650, 710, 865, 923, 1625, 1730, 1775, 1846, 2249, 3250, 3550, 4325, 4498, 4615, 8650, 8875, 9230, 11245, 12283, 17750, 21625, 22490, 23075, 24566, 43250, 46150, 56225, 61415, 112450, 115375, 122830, 159679, 230750, 281125, 307075, 319358, 562250, 614150, 798395, 1535375, 1596790, 3070750, 3991975, 7983950, 19959875, 39919750]

約数ペア:

[(1, 39919750), (2, 19959875), (5, 7983950), (10, 3991975), (13, 3070750), (25, 1596790), (26, 1535375), (50, 798395), (65, 614150), (71, 562250), (125, 319358), (130, 307075), (142, 281125), (173, 230750), (250, 159679), (325, 122830), (346, 115375), (355, 112450), (650, 61415), (710, 56225), (865, 46150), (923, 43250), (1625, 24566), (1730, 23075), (1775, 22490), (1846, 21625), (2249, 17750), (3250, 12283), (3550, 11245), (4325, 9230), (4498, 8875), (4615, 8650)]