25381980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10847}}^1$

素因数の和:10875

約数の個数: 72

約数和(自身を含む): 82922112

約数和(自身を除く): 57540132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 10847, 21694, 32541, 43388, 54235, 65082, 97623, 108470, 130164, 141011, 162705, 195246, 216940, 282022, 325410, 390492, 423033, 488115, 564044, 650820, 705055, 846066, 976230, 1269099, 1410110, 1692132, 1952460, 2115165, 2538198, 2820220, 4230330, 5076396, 6345495, 8460660, 12690990, 25381980]

約数ペア:

[(1, 25381980), (2, 12690990), (3, 8460660), (4, 6345495), (5, 5076396), (6, 4230330), (9, 2820220), (10, 2538198), (12, 2115165), (13, 1952460), (15, 1692132), (18, 1410110), (20, 1269099), (26, 976230), (30, 846066), (36, 705055), (39, 650820), (45, 564044), (52, 488115), (60, 423033), (65, 390492), (78, 325410), (90, 282022), (117, 216940), (130, 195246), (156, 162705), (180, 141011), (195, 130164), (234, 108470), (260, 97623), (390, 65082), (468, 54235), (585, 43388), (780, 32541), (1170, 21694), (2340, 10847)]