64604180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 143700480

約数和(自身を除く): 79096300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 863, 985, 1726, 1970, 3452, 3743, 3940, 4315, 7486, 8630, 14972, 16397, 17260, 18715, 32794, 37430, 65588, 74860, 81985, 163970, 170011, 327940, 340022, 680044, 850055, 1700110, 3230209, 3400220, 6460418, 12920836, 16151045, 32302090, 64604180]

約数ペア:

[(1, 64604180), (2, 32302090), (4, 16151045), (5, 12920836), (10, 6460418), (19, 3400220), (20, 3230209), (38, 1700110), (76, 850055), (95, 680044), (190, 340022), (197, 327940), (380, 170011), (394, 163970), (788, 81985), (863, 74860), (985, 65588), (1726, 37430), (1970, 32794), (3452, 18715), (3743, 17260), (3940, 16397), (4315, 14972), (7486, 8630)]