15613240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5347}}^1$

素因数の和:5431

約数の個数: 32

約数和(自身を含む): 35617680

約数和(自身を除く): 20004440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5347, 10694, 21388, 26735, 42776, 53470, 106940, 213880, 390331, 780662, 1561324, 1951655, 3122648, 3903310, 7806620, 15613240]

約数ペア:

[(1, 15613240), (2, 7806620), (4, 3903310), (5, 3122648), (8, 1951655), (10, 1561324), (20, 780662), (40, 390331), (73, 213880), (146, 106940), (292, 53470), (365, 42776), (584, 26735), (730, 21388), (1460, 10694), (2920, 5347)]