87481520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156217}}^1$

素因数の和:156237

約数の個数: 40

約数和(自身を含む): 232452384

約数和(自身を除く): 144970864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156217, 312434, 624868, 781085, 1093519, 1249736, 1562170, 2187038, 2499472, 3124340, 4374076, 5467595, 6248680, 8748152, 10935190, 12497360, 17496304, 21870380, 43740760, 87481520]

約数ペア:

[(1, 87481520), (2, 43740760), (4, 21870380), (5, 17496304), (7, 12497360), (8, 10935190), (10, 8748152), (14, 6248680), (16, 5467595), (20, 4374076), (28, 3124340), (35, 2499472), (40, 2187038), (56, 1562170), (70, 1249736), (80, 1093519), (112, 781085), (140, 624868), (280, 312434), (560, 156217)]