88173980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 190076544

約数和(自身を除く): 101902564

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 193, 212, 265, 386, 431, 530, 772, 862, 965, 1060, 1724, 1930, 2155, 3860, 4310, 8620, 10229, 20458, 22843, 40916, 45686, 51145, 83183, 91372, 102290, 114215, 166366, 204580, 228430, 332732, 415915, 456860, 831830, 1663660, 4408699, 8817398, 17634796, 22043495, 44086990, 88173980]

約数ペア:

[(1, 88173980), (2, 44086990), (4, 22043495), (5, 17634796), (10, 8817398), (20, 4408699), (53, 1663660), (106, 831830), (193, 456860), (212, 415915), (265, 332732), (386, 228430), (431, 204580), (530, 166366), (772, 114215), (862, 102290), (965, 91372), (1060, 83183), (1724, 51145), (1930, 45686), (2155, 40916), (3860, 22843), (4310, 20458), (8620, 10229)]