55065040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 80

約数和(自身を含む): 142758720

約数和(自身を除く): 87693680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2131, 2584, 3230, 4262, 5168, 6460, 8524, 10655, 12920, 17048, 21310, 25840, 34096, 36227, 40489, 42620, 72454, 80978, 85240, 144908, 161956, 170480, 181135, 202445, 289816, 323912, 362270, 404890, 579632, 647824, 688313, 724540, 809780, 1376626, 1449080, 1619560, 2753252, 2898160, 3239120, 3441565, 5506504, 6883130, 11013008, 13766260, 27532520, 55065040]

約数ペア:

[(1, 55065040), (2, 27532520), (4, 13766260), (5, 11013008), (8, 6883130), (10, 5506504), (16, 3441565), (17, 3239120), (19, 2898160), (20, 2753252), (34, 1619560), (38, 1449080), (40, 1376626), (68, 809780), (76, 724540), (80, 688313), (85, 647824), (95, 579632), (136, 404890), (152, 362270), (170, 323912), (190, 289816), (272, 202445), (304, 181135), (323, 170480), (340, 161956), (380, 144908), (646, 85240), (680, 80978), (760, 72454), (1292, 42620), (1360, 40489), (1520, 36227), (1615, 34096), (2131, 25840), (2584, 21310), (3230, 17048), (4262, 12920), (5168, 10655), (6460, 8524)]