90495920

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1471}}^1$

素因数の和:2253

約数の個数: 40

約数和(自身を含む): 210819840

約数和(自身を除く): 120323920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1471, 1538, 2942, 3076, 3845, 5884, 6152, 7355, 7690, 11768, 12304, 14710, 15380, 23536, 29420, 30760, 58840, 61520, 117680, 1131199, 2262398, 4524796, 5655995, 9049592, 11311990, 18099184, 22623980, 45247960, 90495920]

約数ペア:

[(1, 90495920), (2, 45247960), (4, 22623980), (5, 18099184), (8, 11311990), (10, 9049592), (16, 5655995), (20, 4524796), (40, 2262398), (80, 1131199), (769, 117680), (1471, 61520), (1538, 58840), (2942, 30760), (3076, 29420), (3845, 23536), (5884, 15380), (6152, 14710), (7355, 12304), (7690, 11768)]