2054321620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1\times {\mathrm{2833}}^1$

素因数の和:5644

約数の個数: 48

約数和(自身を含む): 4649233680

約数和(自身を除く): 2594912060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2789, 2833, 5578, 5666, 11156, 11332, 13945, 14165, 27890, 28330, 36257, 36829, 55780, 56660, 72514, 73658, 145028, 147316, 181285, 184145, 362570, 368290, 725140, 736580, 7901237, 15802474, 31604948, 39506185, 79012370, 102716081, 158024740, 205432162, 410864324, 513580405, 1027160810, 2054321620]

約数ペア:

[(1, 2054321620), (2, 1027160810), (4, 513580405), (5, 410864324), (10, 205432162), (13, 158024740), (20, 102716081), (26, 79012370), (52, 39506185), (65, 31604948), (130, 15802474), (260, 7901237), (2789, 736580), (2833, 725140), (5578, 368290), (5666, 362570), (11156, 184145), (11332, 181285), (13945, 147316), (14165, 145028), (27890, 73658), (28330, 72514), (36257, 56660), (36829, 55780)]