12397002020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{208213}}^1$

素因数の和:208464

約数の個数: 48

約数和(自身を含む): 28158861360

約数和(自身を除く): 15761859340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 2290, 2977, 4580, 5954, 11908, 14885, 29770, 59540, 208213, 416426, 832852, 1041065, 2082130, 2706769, 4164260, 5413538, 10827076, 13533845, 27067690, 47680777, 54135380, 95361554, 190723108, 238403885, 476807770, 619850101, 953615540, 1239700202, 2479400404, 3099250505, 6198501010, 12397002020]

約数ペア:

[(1, 12397002020), (2, 6198501010), (4, 3099250505), (5, 2479400404), (10, 1239700202), (13, 953615540), (20, 619850101), (26, 476807770), (52, 238403885), (65, 190723108), (130, 95361554), (229, 54135380), (260, 47680777), (458, 27067690), (916, 13533845), (1145, 10827076), (2290, 5413538), (2977, 4164260), (4580, 2706769), (5954, 2082130), (11908, 1041065), (14885, 832852), (29770, 416426), (59540, 208213)]