84915680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31219}}^1$

素因数の和:31251

約数の個数: 48

約数和(自身を含む): 212420880

約数和(自身を除く): 127505200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 31219, 62438, 124876, 156095, 249752, 312190, 499504, 530723, 624380, 999008, 1061446, 1248760, 2122892, 2497520, 2653615, 4245784, 4995040, 5307230, 8491568, 10614460, 16983136, 21228920, 42457840, 84915680]

約数ペア:

[(1, 84915680), (2, 42457840), (4, 21228920), (5, 16983136), (8, 10614460), (10, 8491568), (16, 5307230), (17, 4995040), (20, 4245784), (32, 2653615), (34, 2497520), (40, 2122892), (68, 1248760), (80, 1061446), (85, 999008), (136, 624380), (160, 530723), (170, 499504), (272, 312190), (340, 249752), (544, 156095), (680, 124876), (1360, 62438), (2720, 31219)]