2040207830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{22447}}^1$

素因数の和:22664

約数の個数: 32

約数和(自身を含む): 3757795200

約数和(自身を除く): 1717587370

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 1490, 9089, 18178, 22447, 44894, 45445, 90890, 112235, 224470, 1369267, 2738534, 3344603, 6689206, 6846335, 13692670, 16723015, 33446030, 204020783, 408041566, 1020103915, 2040207830]

約数ペア:

[(1, 2040207830), (2, 1020103915), (5, 408041566), (10, 204020783), (61, 33446030), (122, 16723015), (149, 13692670), (298, 6846335), (305, 6689206), (610, 3344603), (745, 2738534), (1490, 1369267), (9089, 224470), (18178, 112235), (22447, 90890), (44894, 45445)]