16040560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 40131360

約数和(自身を除く): 24090800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 173, 190, 244, 304, 305, 346, 380, 488, 610, 692, 760, 865, 976, 1159, 1220, 1384, 1520, 1730, 2318, 2440, 2768, 3287, 3460, 4636, 4880, 5795, 6574, 6920, 9272, 10553, 11590, 13148, 13840, 16435, 18544, 21106, 23180, 26296, 32870, 42212, 46360, 52592, 52765, 65740, 84424, 92720, 105530, 131480, 168848, 200507, 211060, 262960, 401014, 422120, 802028, 844240, 1002535, 1604056, 2005070, 3208112, 4010140, 8020280, 16040560]

約数ペア:

[(1, 16040560), (2, 8020280), (4, 4010140), (5, 3208112), (8, 2005070), (10, 1604056), (16, 1002535), (19, 844240), (20, 802028), (38, 422120), (40, 401014), (61, 262960), (76, 211060), (80, 200507), (95, 168848), (122, 131480), (152, 105530), (173, 92720), (190, 84424), (244, 65740), (304, 52765), (305, 52592), (346, 46360), (380, 42212), (488, 32870), (610, 26296), (692, 23180), (760, 21106), (865, 18544), (976, 16435), (1159, 13840), (1220, 13148), (1384, 11590), (1520, 10553), (1730, 9272), (2318, 6920), (2440, 6574), (2768, 5795), (3287, 4880), (3460, 4636)]