20173465280

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{7901}}^1$

素因数の和:8098

約数の個数: 112

約数和(自身を含む): 49134003840

約数和(自身を除く): 28960538560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 101, 158, 160, 202, 316, 320, 395, 404, 505, 632, 790, 808, 1010, 1264, 1580, 1616, 2020, 2528, 3160, 3232, 4040, 5056, 6320, 6464, 7901, 7979, 8080, 12640, 15802, 15958, 16160, 25280, 31604, 31916, 32320, 39505, 39895, 63208, 63832, 79010, 79790, 126416, 127664, 158020, 159580, 252832, 255328, 316040, 319160, 505664, 510656, 624179, 632080, 638320, 798001, 1248358, 1264160, 1276640, 1596002, 2496716, 2528320, 2553280, 3120895, 3192004, 3990005, 4993432, 6241790, 6384008, 7980010, 9986864, 12483580, 12768016, 15960020, 19973728, 24967160, 25536032, 31920040, 39947456, 49934320, 51072064, 63042079, 63840080, 99868640, 126084158, 127680160, 199737280, 252168316, 255360320, 315210395, 504336632, 630420790, 1008673264, 1260841580, 2017346528, 2521683160, 4034693056, 5043366320, 10086732640, 20173465280]

約数ペア:

[(1, 20173465280), (2, 10086732640), (4, 5043366320), (5, 4034693056), (8, 2521683160), (10, 2017346528), (16, 1260841580), (20, 1008673264), (32, 630420790), (40, 504336632), (64, 315210395), (79, 255360320), (80, 252168316), (101, 199737280), (158, 127680160), (160, 126084158), (202, 99868640), (316, 63840080), (320, 63042079), (395, 51072064), (404, 49934320), (505, 39947456), (632, 31920040), (790, 25536032), (808, 24967160), (1010, 19973728), (1264, 15960020), (1580, 12768016), (1616, 12483580), (2020, 9986864), (2528, 7980010), (3160, 6384008), (3232, 6241790), (4040, 4993432), (5056, 3990005), (6320, 3192004), (6464, 3120895), (7901, 2553280), (7979, 2528320), (8080, 2496716), (12640, 1596002), (15802, 1276640), (15958, 1264160), (16160, 1248358), (25280, 798001), (31604, 638320), (31916, 632080), (32320, 624179), (39505, 510656), (39895, 505664), (63208, 319160), (63832, 316040), (79010, 255328), (79790, 252832), (126416, 159580), (127664, 158020)]