11858120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 28131840

約数和(自身を除く): 16273720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 131, 146, 155, 248, 262, 292, 310, 365, 524, 584, 620, 655, 730, 1048, 1240, 1310, 1460, 2263, 2620, 2920, 4061, 4526, 5240, 8122, 9052, 9563, 11315, 16244, 18104, 19126, 20305, 22630, 32488, 38252, 40610, 45260, 47815, 76504, 81220, 90520, 95630, 162440, 191260, 296453, 382520, 592906, 1185812, 1482265, 2371624, 2964530, 5929060, 11858120]

約数ペア:

[(1, 11858120), (2, 5929060), (4, 2964530), (5, 2371624), (8, 1482265), (10, 1185812), (20, 592906), (31, 382520), (40, 296453), (62, 191260), (73, 162440), (124, 95630), (131, 90520), (146, 81220), (155, 76504), (248, 47815), (262, 45260), (292, 40610), (310, 38252), (365, 32488), (524, 22630), (584, 20305), (620, 19126), (655, 18104), (730, 16244), (1048, 11315), (1240, 9563), (1310, 9052), (1460, 8122), (2263, 5240), (2620, 4526), (2920, 4061)]