39281960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 92620800

約数和(自身を除く): 53338840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 401, 620, 632, 790, 802, 1240, 1580, 1604, 2005, 2449, 3160, 3208, 4010, 4898, 8020, 9796, 12245, 12431, 16040, 19592, 24490, 24862, 31679, 48980, 49724, 62155, 63358, 97960, 99448, 124310, 126716, 158395, 248620, 253432, 316790, 497240, 633580, 982049, 1267160, 1964098, 3928196, 4910245, 7856392, 9820490, 19640980, 39281960]

約数ペア:

[(1, 39281960), (2, 19640980), (4, 9820490), (5, 7856392), (8, 4910245), (10, 3928196), (20, 1964098), (31, 1267160), (40, 982049), (62, 633580), (79, 497240), (124, 316790), (155, 253432), (158, 248620), (248, 158395), (310, 126716), (316, 124310), (395, 99448), (401, 97960), (620, 63358), (632, 62155), (790, 49724), (802, 48980), (1240, 31679), (1580, 24862), (1604, 24490), (2005, 19592), (2449, 16040), (3160, 12431), (3208, 12245), (4010, 9796), (4898, 8020)]