28085460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36007}}^1$

素因数の和:36032

約数の個数: 48

約数和(自身を含む): 84690816

約数和(自身を除く): 56605356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36007, 72014, 108021, 144028, 180035, 216042, 360070, 432084, 468091, 540105, 720140, 936182, 1080210, 1404273, 1872364, 2160420, 2340455, 2808546, 4680910, 5617092, 7021365, 9361820, 14042730, 28085460]

約数ペア:

[(1, 28085460), (2, 14042730), (3, 9361820), (4, 7021365), (5, 5617092), (6, 4680910), (10, 2808546), (12, 2340455), (13, 2160420), (15, 1872364), (20, 1404273), (26, 1080210), (30, 936182), (39, 720140), (52, 540105), (60, 468091), (65, 432084), (78, 360070), (130, 216042), (156, 180035), (195, 144028), (260, 108021), (390, 72014), (780, 36007)]