19975440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83231}}^1$

素因数の和:83247

約数の個数: 40

約数和(自身を含む): 61924608

約数和(自身を除く): 41949168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83231, 166462, 249693, 332924, 416155, 499386, 665848, 832310, 998772, 1248465, 1331696, 1664620, 1997544, 2496930, 3329240, 3995088, 4993860, 6658480, 9987720, 19975440]

約数ペア:

[(1, 19975440), (2, 9987720), (3, 6658480), (4, 4993860), (5, 3995088), (6, 3329240), (8, 2496930), (10, 1997544), (12, 1664620), (15, 1331696), (16, 1248465), (20, 998772), (24, 832310), (30, 665848), (40, 499386), (48, 416155), (60, 332924), (80, 249693), (120, 166462), (240, 83231)]