853172360

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{64439}}^1$

素因数の和:64781

約数の個数: 32

約数和(自身を含む): 1925467200

約数和(自身を除く): 1072294840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 64439, 128878, 257756, 322195, 515512, 644390, 1288780, 2577560, 21329309, 42658618, 85317236, 106646545, 170634472, 213293090, 426586180, 853172360]

約数ペア:

[(1, 853172360), (2, 426586180), (4, 213293090), (5, 170634472), (8, 106646545), (10, 85317236), (20, 42658618), (40, 21329309), (331, 2577560), (662, 1288780), (1324, 644390), (1655, 515512), (2648, 322195), (3310, 257756), (6620, 128878), (13240, 64439)]