10401280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 26516160

約数和(自身を除く): 16114880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 239, 256, 272, 320, 340, 478, 512, 544, 640, 680, 956, 1088, 1195, 1280, 1360, 1912, 2176, 2390, 2560, 2720, 3824, 4063, 4352, 4780, 5440, 7648, 8126, 8704, 9560, 10880, 15296, 16252, 19120, 20315, 21760, 30592, 32504, 38240, 40630, 43520, 61184, 65008, 76480, 81260, 122368, 130016, 152960, 162520, 260032, 305920, 325040, 520064, 611840, 650080, 1040128, 1300160, 2080256, 2600320, 5200640, 10401280]

約数ペア:

[(1, 10401280), (2, 5200640), (4, 2600320), (5, 2080256), (8, 1300160), (10, 1040128), (16, 650080), (17, 611840), (20, 520064), (32, 325040), (34, 305920), (40, 260032), (64, 162520), (68, 152960), (80, 130016), (85, 122368), (128, 81260), (136, 76480), (160, 65008), (170, 61184), (239, 43520), (256, 40630), (272, 38240), (320, 32504), (340, 30592), (478, 21760), (512, 20315), (544, 19120), (640, 16252), (680, 15296), (956, 10880), (1088, 9560), (1195, 8704), (1280, 8126), (1360, 7648), (1912, 5440), (2176, 4780), (2390, 4352), (2560, 4063), (2720, 3824)]