40047440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26347}}^1$

素因数の和:26379

約数の個数: 40

約数和(自身を含む): 98014560

約数和(自身を除く): 57967120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26347, 52694, 105388, 131735, 210776, 263470, 421552, 500593, 526940, 1001186, 1053880, 2002372, 2107760, 2502965, 4004744, 5005930, 8009488, 10011860, 20023720, 40047440]

約数ペア:

[(1, 40047440), (2, 20023720), (4, 10011860), (5, 8009488), (8, 5005930), (10, 4004744), (16, 2502965), (19, 2107760), (20, 2002372), (38, 1053880), (40, 1001186), (76, 526940), (80, 500593), (95, 421552), (152, 263470), (190, 210776), (304, 131735), (380, 105388), (760, 52694), (1520, 26347)]