26140840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 64825920

約数和(自身を除く): 38685080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 491, 605, 968, 982, 1210, 1331, 1964, 2420, 2455, 2662, 3928, 4840, 4910, 5324, 5401, 6655, 9820, 10648, 10802, 13310, 19640, 21604, 26620, 27005, 43208, 53240, 54010, 59411, 108020, 118822, 216040, 237644, 297055, 475288, 594110, 653521, 1188220, 1307042, 2376440, 2614084, 3267605, 5228168, 6535210, 13070420, 26140840]

約数ペア:

[(1, 26140840), (2, 13070420), (4, 6535210), (5, 5228168), (8, 3267605), (10, 2614084), (11, 2376440), (20, 1307042), (22, 1188220), (40, 653521), (44, 594110), (55, 475288), (88, 297055), (110, 237644), (121, 216040), (220, 118822), (242, 108020), (440, 59411), (484, 54010), (491, 53240), (605, 43208), (968, 27005), (982, 26620), (1210, 21604), (1331, 19640), (1964, 13310), (2420, 10802), (2455, 10648), (2662, 9820), (3928, 6655), (4840, 5401), (4910, 5324)]