16270040

素因数分解:

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

素因数の和:13163

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 21521320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13121, 26242, 52484, 65605, 104968, 131210, 262420, 406751, 524840, 813502, 1627004, 2033755, 3254008, 4067510, 8135020, 16270040]

約数ペア:

[(1, 16270040), (2, 8135020), (4, 4067510), (5, 3254008), (8, 2033755), (10, 1627004), (20, 813502), (31, 524840), (40, 406751), (62, 262420), (124, 131210), (155, 104968), (248, 65605), (310, 52484), (620, 26242), (1240, 13121)]