64245520

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2153}}^1$

素因数の和:2539

約数の個数: 40

約数和(自身を含む): 149840856

約数和(自身を除く): 85595336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2153, 2984, 3730, 4306, 5968, 7460, 8612, 10765, 14920, 17224, 21530, 29840, 34448, 43060, 86120, 172240, 803069, 1606138, 3212276, 4015345, 6424552, 8030690, 12849104, 16061380, 32122760, 64245520]

約数ペア:

[(1, 64245520), (2, 32122760), (4, 16061380), (5, 12849104), (8, 8030690), (10, 6424552), (16, 4015345), (20, 3212276), (40, 1606138), (80, 803069), (373, 172240), (746, 86120), (1492, 43060), (1865, 34448), (2153, 29840), (2984, 21530), (3730, 17224), (4306, 14920), (5968, 10765), (7460, 8612)]