202238720

素因数分解:

$2^8\times 5^1\times {\mathrm{157999}}^1$

素因数の和:158020

約数の個数: 36

約数和(自身を含む): 484428000

約数和(自身を除く): 282189280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 157999, 315998, 631996, 789995, 1263992, 1579990, 2527984, 3159980, 5055968, 6319960, 10111936, 12639920, 20223872, 25279840, 40447744, 50559680, 101119360, 202238720]

約数ペア:

[(1, 202238720), (2, 101119360), (4, 50559680), (5, 40447744), (8, 25279840), (10, 20223872), (16, 12639920), (20, 10111936), (32, 6319960), (40, 5055968), (64, 3159980), (80, 2527984), (128, 1579990), (160, 1263992), (256, 789995), (320, 631996), (640, 315998), (1280, 157999)]