50439880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 117825840

約数和(自身を除く): 67385960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 173, 185, 197, 296, 346, 370, 394, 692, 740, 788, 865, 985, 1384, 1480, 1576, 1730, 1970, 3460, 3940, 6401, 6920, 7289, 7880, 12802, 14578, 25604, 29156, 32005, 34081, 36445, 51208, 58312, 64010, 68162, 72890, 128020, 136324, 145780, 170405, 256040, 272648, 291560, 340810, 681620, 1260997, 1363240, 2521994, 5043988, 6304985, 10087976, 12609970, 25219940, 50439880]

約数ペア:

[(1, 50439880), (2, 25219940), (4, 12609970), (5, 10087976), (8, 6304985), (10, 5043988), (20, 2521994), (37, 1363240), (40, 1260997), (74, 681620), (148, 340810), (173, 291560), (185, 272648), (197, 256040), (296, 170405), (346, 145780), (370, 136324), (394, 128020), (692, 72890), (740, 68162), (788, 64010), (865, 58312), (985, 51208), (1384, 36445), (1480, 34081), (1576, 32005), (1730, 29156), (1970, 25604), (3460, 14578), (3940, 12802), (6401, 7880), (6920, 7289)]