22037840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 56782080

約数和(自身を除く): 34744240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 317, 395, 440, 632, 634, 790, 869, 880, 1264, 1268, 1580, 1585, 1738, 2536, 3160, 3170, 3476, 3487, 4345, 5072, 6320, 6340, 6952, 6974, 8690, 12680, 13904, 13948, 17380, 17435, 25043, 25360, 27896, 34760, 34870, 50086, 55792, 69520, 69740, 100172, 125215, 139480, 200344, 250430, 275473, 278960, 400688, 500860, 550946, 1001720, 1101892, 1377365, 2003440, 2203784, 2754730, 4407568, 5509460, 11018920, 22037840]

約数ペア:

[(1, 22037840), (2, 11018920), (4, 5509460), (5, 4407568), (8, 2754730), (10, 2203784), (11, 2003440), (16, 1377365), (20, 1101892), (22, 1001720), (40, 550946), (44, 500860), (55, 400688), (79, 278960), (80, 275473), (88, 250430), (110, 200344), (158, 139480), (176, 125215), (220, 100172), (316, 69740), (317, 69520), (395, 55792), (440, 50086), (632, 34870), (634, 34760), (790, 27896), (869, 25360), (880, 25043), (1264, 17435), (1268, 17380), (1580, 13948), (1585, 13904), (1738, 12680), (2536, 8690), (3160, 6974), (3170, 6952), (3476, 6340), (3487, 6320), (4345, 5072)]