91961840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67619}}^1$

素因数の和:67649

約数の個数: 40

約数和(自身を含む): 226391760

約数和(自身を除く): 134429920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 67619, 135238, 270476, 338095, 540952, 676190, 1081904, 1149523, 1352380, 2299046, 2704760, 4598092, 5409520, 5747615, 9196184, 11495230, 18392368, 22990460, 45980920, 91961840]

約数ペア:

[(1, 91961840), (2, 45980920), (4, 22990460), (5, 18392368), (8, 11495230), (10, 9196184), (16, 5747615), (17, 5409520), (20, 4598092), (34, 2704760), (40, 2299046), (68, 1352380), (80, 1149523), (85, 1081904), (136, 676190), (170, 540952), (272, 338095), (340, 270476), (680, 135238), (1360, 67619)]