25399400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9769}}^1$

素因数の和:9798

約数の個数: 48

約数和(自身を含む): 63602700

約数和(自身を除く): 38203300

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, 9769, 19538, 39076, 48845, 78152, 97690, 126997, 195380, 244225, 253994, 390760, 488450, 507988, 634985, 976900, 1015976, 1269970, 1953800, 2539940, 3174925, 5079880, 6349850, 12699700, 25399400]

約数ペア:

[(1, 25399400), (2, 12699700), (4, 6349850), (5, 5079880), (8, 3174925), (10, 2539940), (13, 1953800), (20, 1269970), (25, 1015976), (26, 976900), (40, 634985), (50, 507988), (52, 488450), (65, 390760), (100, 253994), (104, 244225), (130, 195380), (200, 126997), (260, 97690), (325, 78152), (520, 48845), (650, 39076), (1300, 19538), (2600, 9769)]