79036780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 170481024

約数和(自身を除く): 91444244

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 173, 212, 265, 346, 431, 530, 692, 862, 865, 1060, 1724, 1730, 2155, 3460, 4310, 8620, 9169, 18338, 22843, 36676, 45686, 45845, 74563, 91372, 91690, 114215, 149126, 183380, 228430, 298252, 372815, 456860, 745630, 1491260, 3951839, 7903678, 15807356, 19759195, 39518390, 79036780]

約数ペア:

[(1, 79036780), (2, 39518390), (4, 19759195), (5, 15807356), (10, 7903678), (20, 3951839), (53, 1491260), (106, 745630), (173, 456860), (212, 372815), (265, 298252), (346, 228430), (431, 183380), (530, 149126), (692, 114215), (862, 91690), (865, 91372), (1060, 74563), (1724, 45845), (1730, 45686), (2155, 36676), (3460, 22843), (4310, 18338), (8620, 9169)]