650080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 1632960

約数和(自身を除く): 982880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 239, 272, 340, 478, 544, 680, 956, 1195, 1360, 1912, 2390, 2720, 3824, 4063, 4780, 7648, 8126, 9560, 16252, 19120, 20315, 32504, 38240, 40630, 65008, 81260, 130016, 162520, 325040, 650080]

約数ペア:

[(1, 650080), (2, 325040), (4, 162520), (5, 130016), (8, 81260), (10, 65008), (16, 40630), (17, 38240), (20, 32504), (32, 20315), (34, 19120), (40, 16252), (68, 9560), (80, 8126), (85, 7648), (136, 4780), (160, 4063), (170, 3824), (239, 2720), (272, 2390), (340, 1912), (478, 1360), (544, 1195), (680, 956)]