8797840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6469}}^1$

素因数の和:6499

約数の個数: 40

約数和(自身を含む): 21661560

約数和(自身を除く): 12863720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6469, 12938, 25876, 32345, 51752, 64690, 103504, 109973, 129380, 219946, 258760, 439892, 517520, 549865, 879784, 1099730, 1759568, 2199460, 4398920, 8797840]

約数ペア:

[(1, 8797840), (2, 4398920), (4, 2199460), (5, 1759568), (8, 1099730), (10, 879784), (16, 549865), (17, 517520), (20, 439892), (34, 258760), (40, 219946), (68, 129380), (80, 109973), (85, 103504), (136, 64690), (170, 51752), (272, 32345), (340, 25876), (680, 12938), (1360, 6469)]