64849720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 158034240

約数和(自身を除く): 93184520

約数列:

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

約数ペア:

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