25557240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 77565600

約数和(自身を除く): 52008360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2393, 2670, 3560, 4786, 5340, 7179, 9572, 10680, 11965, 14358, 19144, 23930, 28716, 35895, 47860, 57432, 71790, 95720, 143580, 212977, 287160, 425954, 638931, 851908, 1064885, 1277862, 1703816, 2129770, 2555724, 3194655, 4259540, 5111448, 6389310, 8519080, 12778620, 25557240]

約数ペア:

[(1, 25557240), (2, 12778620), (3, 8519080), (4, 6389310), (5, 5111448), (6, 4259540), (8, 3194655), (10, 2555724), (12, 2129770), (15, 1703816), (20, 1277862), (24, 1064885), (30, 851908), (40, 638931), (60, 425954), (89, 287160), (120, 212977), (178, 143580), (267, 95720), (356, 71790), (445, 57432), (534, 47860), (712, 35895), (890, 28716), (1068, 23930), (1335, 19144), (1780, 14358), (2136, 11965), (2393, 10680), (2670, 9572), (3560, 7179), (4786, 5340)]