2637830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 5189184

約数和(自身を除く): 2551354

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 197, 206, 394, 515, 985, 1030, 1339, 1970, 2561, 2678, 5122, 6695, 12805, 13390, 20291, 25610, 40582, 101455, 202910, 263783, 527566, 1318915, 2637830]

約数ペア:

[(1, 2637830), (2, 1318915), (5, 527566), (10, 263783), (13, 202910), (26, 101455), (65, 40582), (103, 25610), (130, 20291), (197, 13390), (206, 12805), (394, 6695), (515, 5122), (985, 2678), (1030, 2561), (1339, 1970)]