25248680

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1907}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 57011040

約数和(自身を除く): 31762360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 1907, 2648, 3310, 3814, 6620, 7628, 9535, 13240, 15256, 19070, 38140, 76280, 631217, 1262434, 2524868, 3156085, 5049736, 6312170, 12624340, 25248680]

約数ペア:

[(1, 25248680), (2, 12624340), (4, 6312170), (5, 5049736), (8, 3156085), (10, 2524868), (20, 1262434), (40, 631217), (331, 76280), (662, 38140), (1324, 19070), (1655, 15256), (1907, 13240), (2648, 9535), (3310, 7628), (3814, 6620)]