81350200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13121}}^1$

素因数の和:13168

約数の個数: 48

約数和(自身を含む): 195255360

約数和(自身を除く): 113905160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 13121, 26242, 52484, 65605, 104968, 131210, 262420, 328025, 406751, 524840, 656050, 813502, 1312100, 1627004, 2033755, 2624200, 3254008, 4067510, 8135020, 10168775, 16270040, 20337550, 40675100, 81350200]

約数ペア:

[(1, 81350200), (2, 40675100), (4, 20337550), (5, 16270040), (8, 10168775), (10, 8135020), (20, 4067510), (25, 3254008), (31, 2624200), (40, 2033755), (50, 1627004), (62, 1312100), (100, 813502), (124, 656050), (155, 524840), (200, 406751), (248, 328025), (310, 262420), (620, 131210), (775, 104968), (1240, 65605), (1550, 52484), (3100, 26242), (6200, 13121)]