48870980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{30931}}^1$

素因数の和:31019

約数の個数: 24

約数和(自身を含む): 103931520

約数和(自身を除く): 55060540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 30931, 61862, 123724, 154655, 309310, 618620, 2443549, 4887098, 9774196, 12217745, 24435490, 48870980]

約数ペア:

[(1, 48870980), (2, 24435490), (4, 12217745), (5, 9774196), (10, 4887098), (20, 2443549), (79, 618620), (158, 309310), (316, 154655), (395, 123724), (790, 61862), (1580, 30931)]