65266760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 159047280

約数和(自身を除く): 93780520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 313, 401, 520, 626, 802, 1252, 1565, 1604, 2005, 2504, 3130, 3208, 4010, 4069, 5213, 6260, 8020, 8138, 10426, 12520, 16040, 16276, 20345, 20852, 26065, 32552, 40690, 41704, 52130, 81380, 104260, 125513, 162760, 208520, 251026, 502052, 627565, 1004104, 1255130, 1631669, 2510260, 3263338, 5020520, 6526676, 8158345, 13053352, 16316690, 32633380, 65266760]

約数ペア:

[(1, 65266760), (2, 32633380), (4, 16316690), (5, 13053352), (8, 8158345), (10, 6526676), (13, 5020520), (20, 3263338), (26, 2510260), (40, 1631669), (52, 1255130), (65, 1004104), (104, 627565), (130, 502052), (260, 251026), (313, 208520), (401, 162760), (520, 125513), (626, 104260), (802, 81380), (1252, 52130), (1565, 41704), (1604, 40690), (2005, 32552), (2504, 26065), (3130, 20852), (3208, 20345), (4010, 16276), (4069, 16040), (5213, 12520), (6260, 10426), (8020, 8138)]