40921400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15739}}^1$

素因数の和:15768

約数の個数: 48

約数和(自身を含む): 102467400

約数和(自身を除く): 61546000

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, 15739, 31478, 62956, 78695, 125912, 157390, 204607, 314780, 393475, 409214, 629560, 786950, 818428, 1023035, 1573900, 1636856, 2046070, 3147800, 4092140, 5115175, 8184280, 10230350, 20460700, 40921400]

約数ペア:

[(1, 40921400), (2, 20460700), (4, 10230350), (5, 8184280), (8, 5115175), (10, 4092140), (13, 3147800), (20, 2046070), (25, 1636856), (26, 1573900), (40, 1023035), (50, 818428), (52, 786950), (65, 629560), (100, 409214), (104, 393475), (130, 314780), (200, 204607), (260, 157390), (325, 125912), (520, 78695), (650, 62956), (1300, 31478), (2600, 15739)]