1330688440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{707813}}^1$

素因数の和:707871

約数の個数: 32

約数和(自身を含む): 3057756480

約数和(自身を除く): 1727068040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 707813, 1415626, 2831252, 3539065, 5662504, 7078130, 14156260, 28312520, 33267211, 66534422, 133068844, 166336055, 266137688, 332672110, 665344220, 1330688440]

約数ペア:

[(1, 1330688440), (2, 665344220), (4, 332672110), (5, 266137688), (8, 166336055), (10, 133068844), (20, 66534422), (40, 33267211), (47, 28312520), (94, 14156260), (188, 7078130), (235, 5662504), (376, 3539065), (470, 2831252), (940, 1415626), (1880, 707813)]