52220920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 121857120

約数和(自身を除く): 69636200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 172, 194, 215, 313, 344, 388, 430, 485, 626, 776, 860, 970, 1252, 1565, 1720, 1940, 2504, 3130, 3880, 4171, 6260, 8342, 12520, 13459, 16684, 20855, 26918, 30361, 33368, 41710, 53836, 60722, 67295, 83420, 107672, 121444, 134590, 151805, 166840, 242888, 269180, 303610, 538360, 607220, 1214440, 1305523, 2611046, 5222092, 6527615, 10444184, 13055230, 26110460, 52220920]

約数ペア:

[(1, 52220920), (2, 26110460), (4, 13055230), (5, 10444184), (8, 6527615), (10, 5222092), (20, 2611046), (40, 1305523), (43, 1214440), (86, 607220), (97, 538360), (172, 303610), (194, 269180), (215, 242888), (313, 166840), (344, 151805), (388, 134590), (430, 121444), (485, 107672), (626, 83420), (776, 67295), (860, 60722), (970, 53836), (1252, 41710), (1565, 33368), (1720, 30361), (1940, 26918), (2504, 20855), (3130, 16684), (3880, 13459), (4171, 12520), (6260, 8342)]