28528480

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 42716960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 79, 80, 122, 148, 158, 160, 185, 244, 296, 305, 316, 370, 395, 488, 592, 610, 632, 740, 790, 976, 1184, 1220, 1264, 1480, 1580, 1952, 2257, 2440, 2528, 2923, 2960, 3160, 4514, 4819, 4880, 5846, 5920, 6320, 9028, 9638, 9760, 11285, 11692, 12640, 14615, 18056, 19276, 22570, 23384, 24095, 29230, 36112, 38552, 45140, 46768, 48190, 58460, 72224, 77104, 90280, 93536, 96380, 116920, 154208, 178303, 180560, 192760, 233840, 356606, 361120, 385520, 467680, 713212, 771040, 891515, 1426424, 1783030, 2852848, 3566060, 5705696, 7132120, 14264240, 28528480]

約数ペア:

[(1, 28528480), (2, 14264240), (4, 7132120), (5, 5705696), (8, 3566060), (10, 2852848), (16, 1783030), (20, 1426424), (32, 891515), (37, 771040), (40, 713212), (61, 467680), (74, 385520), (79, 361120), (80, 356606), (122, 233840), (148, 192760), (158, 180560), (160, 178303), (185, 154208), (244, 116920), (296, 96380), (305, 93536), (316, 90280), (370, 77104), (395, 72224), (488, 58460), (592, 48190), (610, 46768), (632, 45140), (740, 38552), (790, 36112), (976, 29230), (1184, 24095), (1220, 23384), (1264, 22570), (1480, 19276), (1580, 18056), (1952, 14615), (2257, 12640), (2440, 11692), (2528, 11285), (2923, 9760), (2960, 9638), (3160, 9028), (4514, 6320), (4819, 5920), (4880, 5846)]