28094440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 70061760

約数和(自身を除く): 41967320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 953, 1340, 1474, 1906, 2680, 2948, 3685, 3812, 4765, 5896, 7370, 7624, 9530, 10483, 14740, 19060, 20966, 29480, 38120, 41932, 52415, 63851, 83864, 104830, 127702, 209660, 255404, 319255, 419320, 510808, 638510, 702361, 1277020, 1404722, 2554040, 2809444, 3511805, 5618888, 7023610, 14047220, 28094440]

約数ペア:

[(1, 28094440), (2, 14047220), (4, 7023610), (5, 5618888), (8, 3511805), (10, 2809444), (11, 2554040), (20, 1404722), (22, 1277020), (40, 702361), (44, 638510), (55, 510808), (67, 419320), (88, 319255), (110, 255404), (134, 209660), (220, 127702), (268, 104830), (335, 83864), (440, 63851), (536, 52415), (670, 41932), (737, 38120), (953, 29480), (1340, 20966), (1474, 19060), (1906, 14740), (2680, 10483), (2948, 9530), (3685, 7624), (3812, 7370), (4765, 5896)]