90071120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36319}}^1$

素因数の和:36363

約数の個数: 40

約数和(自身を含む): 216176640

約数和(自身を除く): 126105520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36319, 72638, 145276, 181595, 290552, 363190, 581104, 726380, 1125889, 1452760, 2251778, 2905520, 4503556, 5629445, 9007112, 11258890, 18014224, 22517780, 45035560, 90071120]

約数ペア:

[(1, 90071120), (2, 45035560), (4, 22517780), (5, 18014224), (8, 11258890), (10, 9007112), (16, 5629445), (20, 4503556), (31, 2905520), (40, 2251778), (62, 1452760), (80, 1125889), (124, 726380), (155, 581104), (248, 363190), (310, 290552), (496, 181595), (620, 145276), (1240, 72638), (2480, 36319)]