16855996820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1\times {\mathrm{971}}^1$

素因数の和:1545

約数の個数: 96

約数和(自身を含む): 38475803520

約数和(自身を除く): 21619806700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 373, 716, 746, 895, 971, 1492, 1790, 1865, 1942, 2327, 3580, 3730, 3884, 4654, 4849, 4855, 7460, 9308, 9698, 9710, 11635, 12623, 19396, 19420, 23270, 24245, 25246, 46540, 48490, 50492, 63115, 66767, 96980, 126230, 133534, 173809, 252460, 267068, 333835, 347618, 362183, 667670, 695236, 724366, 867971, 869045, 1335340, 1448732, 1735942, 1738090, 1810915, 2259517, 3471884, 3476180, 3621830, 4339855, 4519034, 4708379, 7243660, 8679710, 9038068, 9416758, 11297585, 17359420, 18833516, 22595170, 23541895, 45190340, 47083790, 64830757, 94167580, 129661514, 259323028, 324153785, 648307570, 842799841, 1296615140, 1685599682, 3371199364, 4213999205, 8427998410, 16855996820]

約数ペア:

[(1, 16855996820), (2, 8427998410), (4, 4213999205), (5, 3371199364), (10, 1685599682), (13, 1296615140), (20, 842799841), (26, 648307570), (52, 324153785), (65, 259323028), (130, 129661514), (179, 94167580), (260, 64830757), (358, 47083790), (373, 45190340), (716, 23541895), (746, 22595170), (895, 18833516), (971, 17359420), (1492, 11297585), (1790, 9416758), (1865, 9038068), (1942, 8679710), (2327, 7243660), (3580, 4708379), (3730, 4519034), (3884, 4339855), (4654, 3621830), (4849, 3476180), (4855, 3471884), (7460, 2259517), (9308, 1810915), (9698, 1738090), (9710, 1735942), (11635, 1448732), (12623, 1335340), (19396, 869045), (19420, 867971), (23270, 724366), (24245, 695236), (25246, 667670), (46540, 362183), (48490, 347618), (50492, 333835), (63115, 267068), (66767, 252460), (96980, 173809), (126230, 133534)]