129699440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 326604096

約数和(自身を除く): 196904656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 311, 401, 520, 622, 802, 1040, 1244, 1555, 1604, 2005, 2488, 3110, 3208, 4010, 4043, 4976, 5213, 6220, 6416, 8020, 8086, 10426, 12440, 16040, 16172, 20215, 20852, 24880, 26065, 32080, 32344, 40430, 41704, 52130, 64688, 80860, 83408, 104260, 124711, 161720, 208520, 249422, 323440, 417040, 498844, 623555, 997688, 1247110, 1621243, 1995376, 2494220, 3242486, 4988440, 6484972, 8106215, 9976880, 12969944, 16212430, 25939888, 32424860, 64849720, 129699440]

約数ペア:

[(1, 129699440), (2, 64849720), (4, 32424860), (5, 25939888), (8, 16212430), (10, 12969944), (13, 9976880), (16, 8106215), (20, 6484972), (26, 4988440), (40, 3242486), (52, 2494220), (65, 1995376), (80, 1621243), (104, 1247110), (130, 997688), (208, 623555), (260, 498844), (311, 417040), (401, 323440), (520, 249422), (622, 208520), (802, 161720), (1040, 124711), (1244, 104260), (1555, 83408), (1604, 80860), (2005, 64688), (2488, 52130), (3110, 41704), (3208, 40430), (4010, 32344), (4043, 32080), (4976, 26065), (5213, 24880), (6220, 20852), (6416, 20215), (8020, 16172), (8086, 16040), (10426, 12440)]