25447760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24469}}^1$

素因数の和:24495

約数の個数: 40

約数和(自身を含む): 63719880

約数和(自身を除く): 38272120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24469, 48938, 97876, 122345, 195752, 244690, 318097, 391504, 489380, 636194, 978760, 1272388, 1590485, 1957520, 2544776, 3180970, 5089552, 6361940, 12723880, 25447760]

約数ペア:

[(1, 25447760), (2, 12723880), (4, 6361940), (5, 5089552), (8, 3180970), (10, 2544776), (13, 1957520), (16, 1590485), (20, 1272388), (26, 978760), (40, 636194), (52, 489380), (65, 391504), (80, 318097), (104, 244690), (130, 195752), (208, 122345), (260, 97876), (520, 48938), (1040, 24469)]