81459520

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3067}}^1$

素因数の和:3167

約数の個数: 56

約数和(自身を含む): 196376544

約数和(自身を除く): 114917024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 3067, 3320, 5312, 6134, 6640, 12268, 13280, 15335, 24536, 26560, 30670, 49072, 61340, 98144, 122680, 196288, 245360, 254561, 490720, 509122, 981440, 1018244, 1272805, 2036488, 2545610, 4072976, 5091220, 8145952, 10182440, 16291904, 20364880, 40729760, 81459520]

約数ペア:

[(1, 81459520), (2, 40729760), (4, 20364880), (5, 16291904), (8, 10182440), (10, 8145952), (16, 5091220), (20, 4072976), (32, 2545610), (40, 2036488), (64, 1272805), (80, 1018244), (83, 981440), (160, 509122), (166, 490720), (320, 254561), (332, 245360), (415, 196288), (664, 122680), (830, 98144), (1328, 61340), (1660, 49072), (2656, 30670), (3067, 26560), (3320, 24536), (5312, 15335), (6134, 13280), (6640, 12268)]