668367050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{4001}}^1$

素因数の和:4283

約数の個数: 48

約数和(自身を含む): 1344335832

約数和(自身を除く): 675968782

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 257, 325, 514, 650, 1285, 2570, 3341, 4001, 6425, 6682, 8002, 12850, 16705, 20005, 33410, 40010, 52013, 83525, 100025, 104026, 167050, 200050, 260065, 520130, 1028257, 1300325, 2056514, 2600650, 5141285, 10282570, 13367341, 25706425, 26734682, 51412850, 66836705, 133673410, 334183525, 668367050]

約数ペア:

[(1, 668367050), (2, 334183525), (5, 133673410), (10, 66836705), (13, 51412850), (25, 26734682), (26, 25706425), (50, 13367341), (65, 10282570), (130, 5141285), (257, 2600650), (325, 2056514), (514, 1300325), (650, 1028257), (1285, 520130), (2570, 260065), (3341, 200050), (4001, 167050), (6425, 104026), (6682, 100025), (8002, 83525), (12850, 52013), (16705, 40010), (20005, 33410)]