78796880

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11867}}^1$

素因数の和:11963

約数の個数: 40

約数和(自身を含む): 185425632

約数和(自身を除く): 106628752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 11867, 23734, 47468, 59335, 94936, 118670, 189872, 237340, 474680, 949360, 984961, 1969922, 3939844, 4924805, 7879688, 9849610, 15759376, 19699220, 39398440, 78796880]

約数ペア:

[(1, 78796880), (2, 39398440), (4, 19699220), (5, 15759376), (8, 9849610), (10, 7879688), (16, 4924805), (20, 3939844), (40, 1969922), (80, 984961), (83, 949360), (166, 474680), (332, 237340), (415, 189872), (664, 118670), (830, 94936), (1328, 59335), (1660, 47468), (3320, 23734), (6640, 11867)]