66177800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{25453}}^1$

素因数の和:25482

約数の個数: 48

約数和(自身を含む): 165705540

約数和(自身を除く): 99527740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 25453, 50906, 101812, 127265, 203624, 254530, 330889, 509060, 636325, 661778, 1018120, 1272650, 1323556, 1654445, 2545300, 2647112, 3308890, 5090600, 6617780, 8272225, 13235560, 16544450, 33088900, 66177800]

約数ペア:

[(1, 66177800), (2, 33088900), (4, 16544450), (5, 13235560), (8, 8272225), (10, 6617780), (13, 5090600), (20, 3308890), (25, 2647112), (26, 2545300), (40, 1654445), (50, 1323556), (52, 1272650), (65, 1018120), (100, 661778), (104, 636325), (130, 509060), (200, 330889), (260, 254530), (325, 203624), (520, 127265), (650, 101812), (1300, 50906), (2600, 25453)]