13861240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 32607360

約数和(自身を除く): 18746120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 101, 146, 188, 202, 235, 292, 365, 376, 404, 470, 505, 584, 730, 808, 940, 1010, 1460, 1880, 2020, 2920, 3431, 4040, 4747, 6862, 7373, 9494, 13724, 14746, 17155, 18988, 23735, 27448, 29492, 34310, 36865, 37976, 47470, 58984, 68620, 73730, 94940, 137240, 147460, 189880, 294920, 346531, 693062, 1386124, 1732655, 2772248, 3465310, 6930620, 13861240]

約数ペア:

[(1, 13861240), (2, 6930620), (4, 3465310), (5, 2772248), (8, 1732655), (10, 1386124), (20, 693062), (40, 346531), (47, 294920), (73, 189880), (94, 147460), (101, 137240), (146, 94940), (188, 73730), (202, 68620), (235, 58984), (292, 47470), (365, 37976), (376, 36865), (404, 34310), (470, 29492), (505, 27448), (584, 23735), (730, 18988), (808, 17155), (940, 14746), (1010, 13724), (1460, 9494), (1880, 7373), (2020, 6862), (2920, 4747), (3431, 4040)]