65220020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{69383}}^1$

素因数の和:69439

約数の個数: 24

約数和(自身を含む): 139878144

約数和(自身を除く): 74658124

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 69383, 138766, 277532, 346915, 693830, 1387660, 3261001, 6522002, 13044004, 16305005, 32610010, 65220020]

約数ペア:

[(1, 65220020), (2, 32610010), (4, 16305005), (5, 13044004), (10, 6522002), (20, 3261001), (47, 1387660), (94, 693830), (188, 346915), (235, 277532), (470, 138766), (940, 69383)]