90493880

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3433}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 203979600

約数和(自身を除く): 113485720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 3433, 5272, 6590, 6866, 13180, 13732, 17165, 26360, 27464, 34330, 68660, 137320, 2262347, 4524694, 9049388, 11311735, 18098776, 22623470, 45246940, 90493880]

約数ペア:

[(1, 90493880), (2, 45246940), (4, 22623470), (5, 18098776), (8, 11311735), (10, 9049388), (20, 4524694), (40, 2262347), (659, 137320), (1318, 68660), (2636, 34330), (3295, 27464), (3433, 26360), (5272, 17165), (6590, 13732), (6866, 13180)]