13840640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 36203328

約数和(自身を除く): 22362688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 983, 1280, 1408, 1760, 1966, 2816, 3520, 3932, 4915, 7040, 7864, 9830, 10813, 14080, 15728, 19660, 21626, 31456, 39320, 43252, 54065, 62912, 78640, 86504, 108130, 125824, 157280, 173008, 216260, 251648, 314560, 346016, 432520, 629120, 692032, 865040, 1258240, 1384064, 1730080, 2768128, 3460160, 6920320, 13840640]

約数ペア:

[(1, 13840640), (2, 6920320), (4, 3460160), (5, 2768128), (8, 1730080), (10, 1384064), (11, 1258240), (16, 865040), (20, 692032), (22, 629120), (32, 432520), (40, 346016), (44, 314560), (55, 251648), (64, 216260), (80, 173008), (88, 157280), (110, 125824), (128, 108130), (160, 86504), (176, 78640), (220, 62912), (256, 54065), (320, 43252), (352, 39320), (440, 31456), (640, 21626), (704, 19660), (880, 15728), (983, 14080), (1280, 10813), (1408, 9830), (1760, 7864), (1966, 7040), (2816, 4915), (3520, 3932)]