82138940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5179}}^1$

素因数の和:5262

約数の個数: 48

約数和(自身を含む): 188842080

約数和(自身を除く): 106703140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 5179, 7930, 10358, 15860, 20716, 25895, 51790, 67327, 103580, 134654, 269308, 315919, 336635, 631838, 673270, 1263676, 1346540, 1579595, 3159190, 4106947, 6318380, 8213894, 16427788, 20534735, 41069470, 82138940]

約数ペア:

[(1, 82138940), (2, 41069470), (4, 20534735), (5, 16427788), (10, 8213894), (13, 6318380), (20, 4106947), (26, 3159190), (52, 1579595), (61, 1346540), (65, 1263676), (122, 673270), (130, 631838), (244, 336635), (260, 315919), (305, 269308), (610, 134654), (793, 103580), (1220, 67327), (1586, 51790), (3172, 25895), (3965, 20716), (5179, 15860), (7930, 10358)]