145143760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21859}}^1$

素因数の和:21955

約数の個数: 40

約数和(自身を含む): 341540640

約数和(自身を除く): 196396880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 21859, 43718, 87436, 109295, 174872, 218590, 349744, 437180, 874360, 1748720, 1814297, 3628594, 7257188, 9071485, 14514376, 18142970, 29028752, 36285940, 72571880, 145143760]

約数ペア:

[(1, 145143760), (2, 72571880), (4, 36285940), (5, 29028752), (8, 18142970), (10, 14514376), (16, 9071485), (20, 7257188), (40, 3628594), (80, 1814297), (83, 1748720), (166, 874360), (332, 437180), (415, 349744), (664, 218590), (830, 174872), (1328, 109295), (1660, 87436), (3320, 43718), (6640, 21859)]