49012720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8629}}^1$

素因数の和:8713

約数の個数: 40

約数和(自身を含む): 115572960

約数和(自身を除く): 66560240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 8629, 17258, 34516, 43145, 69032, 86290, 138064, 172580, 345160, 612659, 690320, 1225318, 2450636, 3063295, 4901272, 6126590, 9802544, 12253180, 24506360, 49012720]

約数ペア:

[(1, 49012720), (2, 24506360), (4, 12253180), (5, 9802544), (8, 6126590), (10, 4901272), (16, 3063295), (20, 2450636), (40, 1225318), (71, 690320), (80, 612659), (142, 345160), (284, 172580), (355, 138064), (568, 86290), (710, 69032), (1136, 43145), (1420, 34516), (2840, 17258), (5680, 8629)]