19964640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41593}}^1$

素因数の和:41611

約数の個数: 48

約数和(自身を含む): 62890128

約数和(自身を除く): 42925488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41593, 83186, 124779, 166372, 207965, 249558, 332744, 415930, 499116, 623895, 665488, 831860, 998232, 1247790, 1330976, 1663720, 1996464, 2495580, 3327440, 3992928, 4991160, 6654880, 9982320, 19964640]

約数ペア:

[(1, 19964640), (2, 9982320), (3, 6654880), (4, 4991160), (5, 3992928), (6, 3327440), (8, 2495580), (10, 1996464), (12, 1663720), (15, 1330976), (16, 1247790), (20, 998232), (24, 831860), (30, 665488), (32, 623895), (40, 499116), (48, 415930), (60, 332744), (80, 249558), (96, 207965), (120, 166372), (160, 124779), (240, 83186), (480, 41593)]