16768988080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{848633}}^1$

素因数の和:848678

約数の個数: 80

約数和(自身を含む): 44196858720

約数和(自身を除く): 27427870640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 848633, 1697266, 3394532, 4243165, 6789064, 8486330, 11032229, 13578128, 16124027, 16972660, 22064458, 32248054, 33945320, 44128916, 55161145, 64496108, 67890640, 80620135, 88257832, 110322290, 128992216, 161240270, 176515664, 209612351, 220644580, 257984432, 322480540, 419224702, 441289160, 644961080, 838449404, 882578320, 1048061755, 1289922160, 1676898808, 2096123510, 3353797616, 4192247020, 8384494040, 16768988080]

約数ペア:

[(1, 16768988080), (2, 8384494040), (4, 4192247020), (5, 3353797616), (8, 2096123510), (10, 1676898808), (13, 1289922160), (16, 1048061755), (19, 882578320), (20, 838449404), (26, 644961080), (38, 441289160), (40, 419224702), (52, 322480540), (65, 257984432), (76, 220644580), (80, 209612351), (95, 176515664), (104, 161240270), (130, 128992216), (152, 110322290), (190, 88257832), (208, 80620135), (247, 67890640), (260, 64496108), (304, 55161145), (380, 44128916), (494, 33945320), (520, 32248054), (760, 22064458), (988, 16972660), (1040, 16124027), (1235, 13578128), (1520, 11032229), (1976, 8486330), (2470, 6789064), (3952, 4243165), (4940, 3394532), (9880, 1697266), (19760, 848633)]