202347440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 482647680

約数和(自身を除く): 280300240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 101, 158, 202, 316, 317, 395, 404, 505, 632, 634, 790, 808, 1010, 1264, 1268, 1580, 1585, 1616, 2020, 2536, 3160, 3170, 4040, 5072, 6320, 6340, 7979, 8080, 12680, 15958, 25043, 25360, 31916, 32017, 39895, 50086, 63832, 64034, 79790, 100172, 125215, 127664, 128068, 159580, 160085, 200344, 250430, 256136, 319160, 320170, 400688, 500860, 512272, 638320, 640340, 1001720, 1280680, 2003440, 2529343, 2561360, 5058686, 10117372, 12646715, 20234744, 25293430, 40469488, 50586860, 101173720, 202347440]

約数ペア:

[(1, 202347440), (2, 101173720), (4, 50586860), (5, 40469488), (8, 25293430), (10, 20234744), (16, 12646715), (20, 10117372), (40, 5058686), (79, 2561360), (80, 2529343), (101, 2003440), (158, 1280680), (202, 1001720), (316, 640340), (317, 638320), (395, 512272), (404, 500860), (505, 400688), (632, 320170), (634, 319160), (790, 256136), (808, 250430), (1010, 200344), (1264, 160085), (1268, 159580), (1580, 128068), (1585, 127664), (1616, 125215), (2020, 100172), (2536, 79790), (3160, 64034), (3170, 63832), (4040, 50086), (5072, 39895), (6320, 32017), (6340, 31916), (7979, 25360), (8080, 25043), (12680, 15958)]