57571280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 145396944

約数和(自身を除く): 87825664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 281, 394, 520, 562, 788, 985, 1040, 1124, 1405, 1576, 1970, 2248, 2561, 2810, 3152, 3653, 3940, 4496, 5122, 5620, 7306, 7880, 10244, 11240, 12805, 14612, 15760, 18265, 20488, 22480, 25610, 29224, 36530, 40976, 51220, 55357, 58448, 73060, 102440, 110714, 146120, 204880, 221428, 276785, 292240, 442856, 553570, 719641, 885712, 1107140, 1439282, 2214280, 2878564, 3598205, 4428560, 5757128, 7196410, 11514256, 14392820, 28785640, 57571280]

約数ペア:

[(1, 57571280), (2, 28785640), (4, 14392820), (5, 11514256), (8, 7196410), (10, 5757128), (13, 4428560), (16, 3598205), (20, 2878564), (26, 2214280), (40, 1439282), (52, 1107140), (65, 885712), (80, 719641), (104, 553570), (130, 442856), (197, 292240), (208, 276785), (260, 221428), (281, 204880), (394, 146120), (520, 110714), (562, 102440), (788, 73060), (985, 58448), (1040, 55357), (1124, 51220), (1405, 40976), (1576, 36530), (1970, 29224), (2248, 25610), (2561, 22480), (2810, 20488), (3152, 18265), (3653, 15760), (3940, 14612), (4496, 12805), (5122, 11240), (5620, 10244), (7306, 7880)]