65000780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19231}}^1$

素因数の和:19266

約数の個数: 36

約数和(自身を含む): 147817152

約数和(自身を除く): 82816372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19231, 38462, 76924, 96155, 192310, 250003, 384620, 500006, 1000012, 1250015, 2500030, 3250039, 5000060, 6500078, 13000156, 16250195, 32500390, 65000780]

約数ペア:

[(1, 65000780), (2, 32500390), (4, 16250195), (5, 13000156), (10, 6500078), (13, 5000060), (20, 3250039), (26, 2500030), (52, 1250015), (65, 1000012), (130, 500006), (169, 384620), (260, 250003), (338, 192310), (676, 96155), (845, 76924), (1690, 38462), (3380, 19231)]