4087720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 11329920

約数和(自身を除く): 7242200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1123, 1820, 2246, 3640, 4492, 5615, 7861, 8984, 11230, 14599, 15722, 22460, 29198, 31444, 39305, 44920, 58396, 62888, 72995, 78610, 102193, 116792, 145990, 157220, 204386, 291980, 314440, 408772, 510965, 583960, 817544, 1021930, 2043860, 4087720]

約数ペア:

[(1, 4087720), (2, 2043860), (4, 1021930), (5, 817544), (7, 583960), (8, 510965), (10, 408772), (13, 314440), (14, 291980), (20, 204386), (26, 157220), (28, 145990), (35, 116792), (40, 102193), (52, 78610), (56, 72995), (65, 62888), (70, 58396), (91, 44920), (104, 39305), (130, 31444), (140, 29198), (182, 22460), (260, 15722), (280, 14599), (364, 11230), (455, 8984), (520, 7861), (728, 5615), (910, 4492), (1123, 3640), (1820, 2246)]