10820120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 26784000

約数和(自身を除く): 15963880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 619, 760, 874, 920, 1238, 1748, 2185, 2476, 3095, 3496, 4370, 4952, 6190, 8740, 11761, 12380, 14237, 17480, 23522, 24760, 28474, 47044, 56948, 58805, 71185, 94088, 113896, 117610, 142370, 235220, 270503, 284740, 470440, 541006, 569480, 1082012, 1352515, 2164024, 2705030, 5410060, 10820120]

約数ペア:

[(1, 10820120), (2, 5410060), (4, 2705030), (5, 2164024), (8, 1352515), (10, 1082012), (19, 569480), (20, 541006), (23, 470440), (38, 284740), (40, 270503), (46, 235220), (76, 142370), (92, 117610), (95, 113896), (115, 94088), (152, 71185), (184, 58805), (190, 56948), (230, 47044), (380, 28474), (437, 24760), (460, 23522), (619, 17480), (760, 14237), (874, 12380), (920, 11761), (1238, 8740), (1748, 6190), (2185, 4952), (2476, 4370), (3095, 3496)]