26660660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 62813688

約数和(自身を除く): 36153028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 61, 65, 82, 122, 130, 164, 205, 244, 260, 305, 410, 533, 610, 793, 820, 1066, 1220, 1586, 1681, 2132, 2501, 2665, 3172, 3362, 3965, 5002, 5330, 6724, 7930, 8405, 10004, 10660, 12505, 15860, 16810, 21853, 25010, 32513, 33620, 43706, 50020, 65026, 87412, 102541, 109265, 130052, 162565, 205082, 218530, 325130, 410164, 437060, 512705, 650260, 1025410, 1333033, 2050820, 2666066, 5332132, 6665165, 13330330, 26660660]

約数ペア:

[(1, 26660660), (2, 13330330), (4, 6665165), (5, 5332132), (10, 2666066), (13, 2050820), (20, 1333033), (26, 1025410), (41, 650260), (52, 512705), (61, 437060), (65, 410164), (82, 325130), (122, 218530), (130, 205082), (164, 162565), (205, 130052), (244, 109265), (260, 102541), (305, 87412), (410, 65026), (533, 50020), (610, 43706), (793, 33620), (820, 32513), (1066, 25010), (1220, 21853), (1586, 16810), (1681, 15860), (2132, 12505), (2501, 10660), (2665, 10004), (3172, 8405), (3362, 7930), (3965, 6724), (5002, 5330)]