19886800

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:700

約数の個数: 60

約数和(自身を含む): 48434400

約数和(自身を除く): 28547600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 200, 332, 400, 415, 599, 664, 830, 1198, 1328, 1660, 2075, 2396, 2995, 3320, 4150, 4792, 5990, 6640, 8300, 9584, 11980, 14975, 16600, 23960, 29950, 33200, 47920, 49717, 59900, 99434, 119800, 198868, 239600, 248585, 397736, 497170, 795472, 994340, 1242925, 1988680, 2485850, 3977360, 4971700, 9943400, 19886800]

約数ペア:

[(1, 19886800), (2, 9943400), (4, 4971700), (5, 3977360), (8, 2485850), (10, 1988680), (16, 1242925), (20, 994340), (25, 795472), (40, 497170), (50, 397736), (80, 248585), (83, 239600), (100, 198868), (166, 119800), (200, 99434), (332, 59900), (400, 49717), (415, 47920), (599, 33200), (664, 29950), (830, 23960), (1198, 16600), (1328, 14975), (1660, 11980), (2075, 9584), (2396, 8300), (2995, 6640), (3320, 5990), (4150, 4792)]