51809011220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{110651}}^1$

素因数の和:111272

約数の個数: 48

約数和(自身を含む): 111648753216

約数和(自身を除く): 59839741996

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 571, 820, 1142, 2284, 2855, 5710, 11420, 23411, 46822, 93644, 110651, 117055, 221302, 234110, 442604, 468220, 553255, 1106510, 2213020, 4536691, 9073382, 18146764, 22683455, 45366910, 63181721, 90733820, 126363442, 252726884, 315908605, 631817210, 1263634420, 2590450561, 5180901122, 10361802244, 12952252805, 25904505610, 51809011220]

約数ペア:

[(1, 51809011220), (2, 25904505610), (4, 12952252805), (5, 10361802244), (10, 5180901122), (20, 2590450561), (41, 1263634420), (82, 631817210), (164, 315908605), (205, 252726884), (410, 126363442), (571, 90733820), (820, 63181721), (1142, 45366910), (2284, 22683455), (2855, 18146764), (5710, 9073382), (11420, 4536691), (23411, 2213020), (46822, 1106510), (93644, 553255), (110651, 468220), (117055, 442604), (221302, 234110)]