42018640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16943}}^1$

素因数の和:16987

約数の個数: 40

約数和(自身を含む): 100850688

約数和(自身を除く): 58832048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16943, 33886, 67772, 84715, 135544, 169430, 271088, 338860, 525233, 677720, 1050466, 1355440, 2100932, 2626165, 4201864, 5252330, 8403728, 10504660, 21009320, 42018640]

約数ペア:

[(1, 42018640), (2, 21009320), (4, 10504660), (5, 8403728), (8, 5252330), (10, 4201864), (16, 2626165), (20, 2100932), (31, 1355440), (40, 1050466), (62, 677720), (80, 525233), (124, 338860), (155, 271088), (248, 169430), (310, 135544), (496, 84715), (620, 67772), (1240, 33886), (2480, 16943)]