13172480

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 32450544

約数和(自身を除く): 19278064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 251, 256, 320, 328, 410, 502, 640, 656, 820, 1004, 1255, 1280, 1312, 1640, 2008, 2510, 2624, 3280, 4016, 5020, 5248, 6560, 8032, 10040, 10291, 10496, 13120, 16064, 20080, 20582, 26240, 32128, 40160, 41164, 51455, 52480, 64256, 80320, 82328, 102910, 160640, 164656, 205820, 321280, 329312, 411640, 658624, 823280, 1317248, 1646560, 2634496, 3293120, 6586240, 13172480]

約数ペア:

[(1, 13172480), (2, 6586240), (4, 3293120), (5, 2634496), (8, 1646560), (10, 1317248), (16, 823280), (20, 658624), (32, 411640), (40, 329312), (41, 321280), (64, 205820), (80, 164656), (82, 160640), (128, 102910), (160, 82328), (164, 80320), (205, 64256), (251, 52480), (256, 51455), (320, 41164), (328, 40160), (410, 32128), (502, 26240), (640, 20582), (656, 20080), (820, 16064), (1004, 13120), (1255, 10496), (1280, 10291), (1312, 10040), (1640, 8032), (2008, 6560), (2510, 5248), (2624, 5020), (3280, 4016)]