27897740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 64162560

約数和(自身を除く): 36264820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1759, 3172, 3518, 3965, 7036, 7930, 8795, 15860, 17590, 22867, 35180, 45734, 91468, 107299, 114335, 214598, 228670, 429196, 457340, 536495, 1072990, 1394887, 2145980, 2789774, 5579548, 6974435, 13948870, 27897740]

約数ペア:

[(1, 27897740), (2, 13948870), (4, 6974435), (5, 5579548), (10, 2789774), (13, 2145980), (20, 1394887), (26, 1072990), (52, 536495), (61, 457340), (65, 429196), (122, 228670), (130, 214598), (244, 114335), (260, 107299), (305, 91468), (610, 45734), (793, 35180), (1220, 22867), (1586, 17590), (1759, 15860), (3172, 8795), (3518, 7930), (3965, 7036)]