51251590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 105743232

約数和(自身を除く): 54491642

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 61, 65, 115, 122, 130, 230, 281, 299, 305, 562, 598, 610, 793, 1403, 1405, 1495, 1586, 2806, 2810, 2990, 3653, 3965, 6463, 7015, 7306, 7930, 12926, 14030, 17141, 18239, 18265, 32315, 34282, 36478, 36530, 64630, 84019, 85705, 91195, 168038, 171410, 182390, 222833, 394243, 420095, 445666, 788486, 840190, 1114165, 1971215, 2228330, 3942430, 5125159, 10250318, 25625795, 51251590]

約数ペア:

[(1, 51251590), (2, 25625795), (5, 10250318), (10, 5125159), (13, 3942430), (23, 2228330), (26, 1971215), (46, 1114165), (61, 840190), (65, 788486), (115, 445666), (122, 420095), (130, 394243), (230, 222833), (281, 182390), (299, 171410), (305, 168038), (562, 91195), (598, 85705), (610, 84019), (793, 64630), (1403, 36530), (1405, 36478), (1495, 34282), (1586, 32315), (2806, 18265), (2810, 18239), (2990, 17141), (3653, 14030), (3965, 12926), (6463, 7930), (7015, 7306)]