85898020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4931}}^1$

素因数の和:5020

約数の個数: 48

約数和(自身を含む): 197201088

約数和(自身を除く): 111303068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 4931, 8710, 9862, 17420, 19724, 24655, 49310, 64103, 98620, 128206, 256412, 320515, 330377, 641030, 660754, 1282060, 1321508, 1651885, 3303770, 4294901, 6607540, 8589802, 17179604, 21474505, 42949010, 85898020]

約数ペア:

[(1, 85898020), (2, 42949010), (4, 21474505), (5, 17179604), (10, 8589802), (13, 6607540), (20, 4294901), (26, 3303770), (52, 1651885), (65, 1321508), (67, 1282060), (130, 660754), (134, 641030), (260, 330377), (268, 320515), (335, 256412), (670, 128206), (871, 98620), (1340, 64103), (1742, 49310), (3484, 24655), (4355, 19724), (4931, 17420), (8710, 9862)]