27817240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 68843520

約数和(自身を除く): 41026280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 331, 382, 440, 662, 764, 955, 1324, 1528, 1655, 1910, 2101, 2648, 3310, 3641, 3820, 4202, 6620, 7282, 7640, 8404, 10505, 13240, 14564, 16808, 18205, 21010, 29128, 36410, 42020, 63221, 72820, 84040, 126442, 145640, 252884, 316105, 505768, 632210, 695431, 1264420, 1390862, 2528840, 2781724, 3477155, 5563448, 6954310, 13908620, 27817240]

約数ペア:

[(1, 27817240), (2, 13908620), (4, 6954310), (5, 5563448), (8, 3477155), (10, 2781724), (11, 2528840), (20, 1390862), (22, 1264420), (40, 695431), (44, 632210), (55, 505768), (88, 316105), (110, 252884), (191, 145640), (220, 126442), (331, 84040), (382, 72820), (440, 63221), (662, 42020), (764, 36410), (955, 29128), (1324, 21010), (1528, 18205), (1655, 16808), (1910, 14564), (2101, 13240), (2648, 10505), (3310, 8404), (3641, 7640), (3820, 7282), (4202, 6620)]