12729860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4484

約数の個数: 48

約数和(自身を含む): 31413312

約数和(自身を除く): 18683452

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4451, 8902, 17804, 22255, 44510, 48961, 57863, 89020, 97922, 115726, 195844, 231452, 244805, 289315, 489610, 578630, 636493, 979220, 1157260, 1272986, 2545972, 3182465, 6364930, 12729860]

約数ペア:

[(1, 12729860), (2, 6364930), (4, 3182465), (5, 2545972), (10, 1272986), (11, 1157260), (13, 979220), (20, 636493), (22, 578630), (26, 489610), (44, 289315), (52, 244805), (55, 231452), (65, 195844), (110, 115726), (130, 97922), (143, 89020), (220, 57863), (260, 48961), (286, 44510), (572, 22255), (715, 17804), (1430, 8902), (2860, 4451)]