55984940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 128780064

約数和(自身を除く): 72795124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 641, 794, 1282, 1588, 1985, 2564, 3205, 3970, 4367, 6410, 7051, 7940, 8734, 12820, 14102, 17468, 21835, 28204, 35255, 43670, 70510, 87340, 141020, 254477, 508954, 1017908, 1272385, 2544770, 2799247, 5089540, 5598494, 11196988, 13996235, 27992470, 55984940]

約数ペア:

[(1, 55984940), (2, 27992470), (4, 13996235), (5, 11196988), (10, 5598494), (11, 5089540), (20, 2799247), (22, 2544770), (44, 1272385), (55, 1017908), (110, 508954), (220, 254477), (397, 141020), (641, 87340), (794, 70510), (1282, 43670), (1588, 35255), (1985, 28204), (2564, 21835), (3205, 17468), (3970, 14102), (4367, 12820), (6410, 8734), (7051, 7940)]