16904320

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 41169240

約数和(自身を除く): 24264920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 433, 488, 610, 640, 866, 976, 1220, 1732, 1952, 2165, 2440, 3464, 3904, 4330, 4880, 6928, 7808, 8660, 9760, 13856, 17320, 19520, 26413, 27712, 34640, 39040, 52826, 55424, 69280, 105652, 132065, 138560, 211304, 264130, 277120, 422608, 528260, 845216, 1056520, 1690432, 2113040, 3380864, 4226080, 8452160, 16904320]

約数ペア:

[(1, 16904320), (2, 8452160), (4, 4226080), (5, 3380864), (8, 2113040), (10, 1690432), (16, 1056520), (20, 845216), (32, 528260), (40, 422608), (61, 277120), (64, 264130), (80, 211304), (122, 138560), (128, 132065), (160, 105652), (244, 69280), (305, 55424), (320, 52826), (433, 39040), (488, 34640), (610, 27712), (640, 26413), (866, 19520), (976, 17320), (1220, 13856), (1732, 9760), (1952, 8660), (2165, 7808), (2440, 6928), (3464, 4880), (3904, 4330)]