858789040

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{44543}}^1$

素因数の和:44797

約数の個数: 40

約数和(自身を含む): 2005014528

約数和(自身を除く): 1146225488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 19280, 44543, 89086, 178172, 222715, 356344, 445430, 712688, 890860, 1781720, 3563440, 10734863, 21469726, 42939452, 53674315, 85878904, 107348630, 171757808, 214697260, 429394520, 858789040]

約数ペア:

[(1, 858789040), (2, 429394520), (4, 214697260), (5, 171757808), (8, 107348630), (10, 85878904), (16, 53674315), (20, 42939452), (40, 21469726), (80, 10734863), (241, 3563440), (482, 1781720), (964, 890860), (1205, 712688), (1928, 445430), (2410, 356344), (3856, 222715), (4820, 178172), (9640, 89086), (19280, 44543)]