72290920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139021}}^1$

素因数の和:139045

約数の個数: 32

約数和(自身を含む): 175167720

約数和(自身を除く): 102876800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139021, 278042, 556084, 695105, 1112168, 1390210, 1807273, 2780420, 3614546, 5560840, 7229092, 9036365, 14458184, 18072730, 36145460, 72290920]

約数ペア:

[(1, 72290920), (2, 36145460), (4, 18072730), (5, 14458184), (8, 9036365), (10, 7229092), (13, 5560840), (20, 3614546), (26, 2780420), (40, 1807273), (52, 1390210), (65, 1112168), (104, 695105), (130, 556084), (260, 278042), (520, 139021)]