4912820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 11406528

約数和(自身を除く): 6493708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 163, 220, 274, 326, 548, 652, 685, 815, 1370, 1507, 1630, 1793, 2740, 3014, 3260, 3586, 6028, 7172, 7535, 8965, 15070, 17930, 22331, 30140, 35860, 44662, 89324, 111655, 223310, 245641, 446620, 491282, 982564, 1228205, 2456410, 4912820]

約数ペア:

[(1, 4912820), (2, 2456410), (4, 1228205), (5, 982564), (10, 491282), (11, 446620), (20, 245641), (22, 223310), (44, 111655), (55, 89324), (110, 44662), (137, 35860), (163, 30140), (220, 22331), (274, 17930), (326, 15070), (548, 8965), (652, 7535), (685, 7172), (815, 6028), (1370, 3586), (1507, 3260), (1630, 3014), (1793, 2740)]