61408520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49523}}^1$

素因数の和:49565

約数の個数: 32

約数和(自身を含む): 142629120

約数和(自身を除く): 81220600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49523, 99046, 198092, 247615, 396184, 495230, 990460, 1535213, 1980920, 3070426, 6140852, 7676065, 12281704, 15352130, 30704260, 61408520]

約数ペア:

[(1, 61408520), (2, 30704260), (4, 15352130), (5, 12281704), (8, 7676065), (10, 6140852), (20, 3070426), (31, 1980920), (40, 1535213), (62, 990460), (124, 495230), (155, 396184), (248, 247615), (310, 198092), (620, 99046), (1240, 49523)]