27928240

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 67808160

約数和(自身を除く): 39879920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 97, 118, 122, 194, 236, 244, 295, 305, 388, 472, 485, 488, 590, 610, 776, 944, 970, 976, 1180, 1220, 1552, 1940, 2360, 2440, 3599, 3880, 4720, 4880, 5723, 5917, 7198, 7760, 11446, 11834, 14396, 17995, 22892, 23668, 28615, 28792, 29585, 35990, 45784, 47336, 57230, 57584, 59170, 71980, 91568, 94672, 114460, 118340, 143960, 228920, 236680, 287920, 349103, 457840, 473360, 698206, 1396412, 1745515, 2792824, 3491030, 5585648, 6982060, 13964120, 27928240]

約数ペア:

[(1, 27928240), (2, 13964120), (4, 6982060), (5, 5585648), (8, 3491030), (10, 2792824), (16, 1745515), (20, 1396412), (40, 698206), (59, 473360), (61, 457840), (80, 349103), (97, 287920), (118, 236680), (122, 228920), (194, 143960), (236, 118340), (244, 114460), (295, 94672), (305, 91568), (388, 71980), (472, 59170), (485, 57584), (488, 57230), (590, 47336), (610, 45784), (776, 35990), (944, 29585), (970, 28792), (976, 28615), (1180, 23668), (1220, 22892), (1552, 17995), (1940, 14396), (2360, 11834), (2440, 11446), (3599, 7760), (3880, 7198), (4720, 5917), (4880, 5723)]