90244720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36389}}^1$

素因数の和:36433

約数の個数: 40

約数和(自身を含む): 216593280

約数和(自身を除く): 126348560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36389, 72778, 145556, 181945, 291112, 363890, 582224, 727780, 1128059, 1455560, 2256118, 2911120, 4512236, 5640295, 9024472, 11280590, 18048944, 22561180, 45122360, 90244720]

約数ペア:

[(1, 90244720), (2, 45122360), (4, 22561180), (5, 18048944), (8, 11280590), (10, 9024472), (16, 5640295), (20, 4512236), (31, 2911120), (40, 2256118), (62, 1455560), (80, 1128059), (124, 727780), (155, 582224), (248, 363890), (310, 291112), (496, 181945), (620, 145556), (1240, 72778), (2480, 36389)]