39179920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 99337392

約数和(自身を除く): 60157472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 373, 404, 505, 520, 746, 808, 1010, 1040, 1313, 1492, 1616, 1865, 2020, 2626, 2984, 3730, 4040, 4849, 5252, 5968, 6565, 7460, 8080, 9698, 10504, 13130, 14920, 19396, 21008, 24245, 26260, 29840, 37673, 38792, 48490, 52520, 75346, 77584, 96980, 105040, 150692, 188365, 193960, 301384, 376730, 387920, 489749, 602768, 753460, 979498, 1506920, 1958996, 2448745, 3013840, 3917992, 4897490, 7835984, 9794980, 19589960, 39179920]

約数ペア:

[(1, 39179920), (2, 19589960), (4, 9794980), (5, 7835984), (8, 4897490), (10, 3917992), (13, 3013840), (16, 2448745), (20, 1958996), (26, 1506920), (40, 979498), (52, 753460), (65, 602768), (80, 489749), (101, 387920), (104, 376730), (130, 301384), (202, 193960), (208, 188365), (260, 150692), (373, 105040), (404, 96980), (505, 77584), (520, 75346), (746, 52520), (808, 48490), (1010, 38792), (1040, 37673), (1313, 29840), (1492, 26260), (1616, 24245), (1865, 21008), (2020, 19396), (2626, 14920), (2984, 13130), (3730, 10504), (4040, 9698), (4849, 8080), (5252, 7460), (5968, 6565)]