86996480

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 133971520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 1999, 2176, 2560, 2720, 3998, 4352, 5440, 7996, 8704, 9995, 10880, 15992, 19990, 21760, 31984, 33983, 39980, 43520, 63968, 67966, 79960, 127936, 135932, 159920, 169915, 255872, 271864, 319840, 339830, 511744, 543728, 639680, 679660, 1023488, 1087456, 1279360, 1359320, 2174912, 2558720, 2718640, 4349824, 5117440, 5437280, 8699648, 10874560, 17399296, 21749120, 43498240, 86996480]

約数ペア:

[(1, 86996480), (2, 43498240), (4, 21749120), (5, 17399296), (8, 10874560), (10, 8699648), (16, 5437280), (17, 5117440), (20, 4349824), (32, 2718640), (34, 2558720), (40, 2174912), (64, 1359320), (68, 1279360), (80, 1087456), (85, 1023488), (128, 679660), (136, 639680), (160, 543728), (170, 511744), (256, 339830), (272, 319840), (320, 271864), (340, 255872), (512, 169915), (544, 159920), (640, 135932), (680, 127936), (1088, 79960), (1280, 67966), (1360, 63968), (1999, 43520), (2176, 39980), (2560, 33983), (2720, 31984), (3998, 21760), (4352, 19990), (5440, 15992), (7996, 10880), (8704, 9995)]