54479980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 122915520

約数和(自身を除く): 68435540

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 79, 82, 116, 145, 158, 164, 205, 290, 316, 395, 410, 580, 790, 820, 841, 1189, 1580, 1682, 2291, 2378, 3239, 3364, 4205, 4582, 4756, 5945, 6478, 8410, 9164, 11455, 11890, 12956, 16195, 16820, 22910, 23780, 32390, 34481, 45820, 64780, 66439, 68962, 93931, 132878, 137924, 172405, 187862, 265756, 332195, 344810, 375724, 469655, 664390, 689620, 939310, 1328780, 1878620, 2723999, 5447998, 10895996, 13619995, 27239990, 54479980]

約数ペア:

[(1, 54479980), (2, 27239990), (4, 13619995), (5, 10895996), (10, 5447998), (20, 2723999), (29, 1878620), (41, 1328780), (58, 939310), (79, 689620), (82, 664390), (116, 469655), (145, 375724), (158, 344810), (164, 332195), (205, 265756), (290, 187862), (316, 172405), (395, 137924), (410, 132878), (580, 93931), (790, 68962), (820, 66439), (841, 64780), (1189, 45820), (1580, 34481), (1682, 32390), (2291, 23780), (2378, 22910), (3239, 16820), (3364, 16195), (4205, 12956), (4582, 11890), (4756, 11455), (5945, 9164), (6478, 8410)]