5201300

素因数分解:

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

素因数の和:4028

約数の個数: 36

約数和(自身を含む): 12158076

約数和(自身を除く): 6956776

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 4001, 8002, 16004, 20005, 40010, 52013, 80020, 100025, 104026, 200050, 208052, 260065, 400100, 520130, 1040260, 1300325, 2600650, 5201300]

約数ペア:

[(1, 5201300), (2, 2600650), (4, 1300325), (5, 1040260), (10, 520130), (13, 400100), (20, 260065), (25, 208052), (26, 200050), (50, 104026), (52, 100025), (65, 80020), (100, 52013), (130, 40010), (260, 20005), (325, 16004), (650, 8002), (1300, 4001)]