13338260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 31753176

約数和(自身を除く): 18414916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 61, 65, 116, 122, 130, 145, 244, 260, 290, 305, 377, 580, 610, 754, 793, 841, 1220, 1508, 1586, 1682, 1769, 1885, 3172, 3364, 3538, 3770, 3965, 4205, 7076, 7540, 7930, 8410, 8845, 10933, 15860, 16820, 17690, 21866, 22997, 35380, 43732, 45994, 51301, 54665, 91988, 102602, 109330, 114985, 205204, 218660, 229970, 256505, 459940, 513010, 666913, 1026020, 1333826, 2667652, 3334565, 6669130, 13338260]

約数ペア:

[(1, 13338260), (2, 6669130), (4, 3334565), (5, 2667652), (10, 1333826), (13, 1026020), (20, 666913), (26, 513010), (29, 459940), (52, 256505), (58, 229970), (61, 218660), (65, 205204), (116, 114985), (122, 109330), (130, 102602), (145, 91988), (244, 54665), (260, 51301), (290, 45994), (305, 43732), (377, 35380), (580, 22997), (610, 21866), (754, 17690), (793, 16820), (841, 15860), (1220, 10933), (1508, 8845), (1586, 8410), (1682, 7930), (1769, 7540), (1885, 7076), (3172, 4205), (3364, 3965), (3538, 3770)]