66623920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75709}}^1$

素因数の和:75733

約数の個数: 40

約数和(自身を含む): 168984720

約数和(自身を除く): 102360800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75709, 151418, 302836, 378545, 605672, 757090, 832799, 1211344, 1514180, 1665598, 3028360, 3331196, 4163995, 6056720, 6662392, 8327990, 13324784, 16655980, 33311960, 66623920]

約数ペア:

[(1, 66623920), (2, 33311960), (4, 16655980), (5, 13324784), (8, 8327990), (10, 6662392), (11, 6056720), (16, 4163995), (20, 3331196), (22, 3028360), (40, 1665598), (44, 1514180), (55, 1211344), (80, 832799), (88, 757090), (110, 605672), (176, 378545), (220, 302836), (440, 151418), (880, 75709)]