73919980

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{8821}}^1$

素因数の和:9249

約数の個数: 24

約数和(自身を含む): 155620080

約数和(自身を除く): 81700100

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 8821, 17642, 35284, 44105, 88210, 176420, 3695999, 7391998, 14783996, 18479995, 36959990, 73919980]

約数ペア:

[(1, 73919980), (2, 36959990), (4, 18479995), (5, 14783996), (10, 7391998), (20, 3695999), (419, 176420), (838, 88210), (1676, 44105), (2095, 35284), (4190, 17642), (8380, 8821)]