1102840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 2520000

約数和(自身を除く): 1417160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 349, 395, 632, 698, 790, 1396, 1580, 1745, 2792, 3160, 3490, 6980, 13960, 27571, 55142, 110284, 137855, 220568, 275710, 551420, 1102840]

約数ペア:

[(1, 1102840), (2, 551420), (4, 275710), (5, 220568), (8, 137855), (10, 110284), (20, 55142), (40, 27571), (79, 13960), (158, 6980), (316, 3490), (349, 3160), (395, 2792), (632, 1745), (698, 1580), (790, 1396)]