12181000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 30728880

約数和(自身を除く): 18547880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 937, 1000, 1300, 1625, 1874, 2600, 3250, 3748, 4685, 6500, 7496, 9370, 12181, 13000, 18740, 23425, 24362, 37480, 46850, 48724, 60905, 93700, 97448, 117125, 121810, 187400, 234250, 243620, 304525, 468500, 487240, 609050, 937000, 1218100, 1522625, 2436200, 3045250, 6090500, 12181000]

約数ペア:

[(1, 12181000), (2, 6090500), (4, 3045250), (5, 2436200), (8, 1522625), (10, 1218100), (13, 937000), (20, 609050), (25, 487240), (26, 468500), (40, 304525), (50, 243620), (52, 234250), (65, 187400), (100, 121810), (104, 117125), (125, 97448), (130, 93700), (200, 60905), (250, 48724), (260, 46850), (325, 37480), (500, 24362), (520, 23425), (650, 18740), (937, 13000), (1000, 12181), (1300, 9370), (1625, 7496), (1874, 6500), (2600, 4685), (3250, 3748)]