89809640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 215168400

約数和(自身を除く): 125358760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 457, 578, 680, 914, 1156, 1445, 1828, 2285, 2312, 2890, 3656, 4570, 4913, 5780, 7769, 9140, 9826, 11560, 15538, 18280, 19652, 24565, 31076, 38845, 39304, 49130, 62152, 77690, 98260, 132073, 155380, 196520, 264146, 310760, 528292, 660365, 1056584, 1320730, 2245241, 2641460, 4490482, 5282920, 8980964, 11226205, 17961928, 22452410, 44904820, 89809640]

約数ペア:

[(1, 89809640), (2, 44904820), (4, 22452410), (5, 17961928), (8, 11226205), (10, 8980964), (17, 5282920), (20, 4490482), (34, 2641460), (40, 2245241), (68, 1320730), (85, 1056584), (136, 660365), (170, 528292), (289, 310760), (340, 264146), (457, 196520), (578, 155380), (680, 132073), (914, 98260), (1156, 77690), (1445, 62152), (1828, 49130), (2285, 39304), (2312, 38845), (2890, 31076), (3656, 24565), (4570, 19652), (4913, 18280), (5780, 15538), (7769, 11560), (9140, 9826)]