80487520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 203793408

約数和(自身を除く): 123305888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 127, 136, 160, 170, 233, 254, 272, 340, 466, 508, 544, 635, 680, 932, 1016, 1165, 1270, 1360, 1864, 2032, 2159, 2330, 2540, 2720, 3728, 3961, 4064, 4318, 4660, 5080, 7456, 7922, 8636, 9320, 10160, 10795, 15844, 17272, 18640, 19805, 20320, 21590, 29591, 31688, 34544, 37280, 39610, 43180, 59182, 63376, 69088, 79220, 86360, 118364, 126752, 147955, 158440, 172720, 236728, 295910, 316880, 345440, 473456, 503047, 591820, 633760, 946912, 1006094, 1183640, 2012188, 2367280, 2515235, 4024376, 4734560, 5030470, 8048752, 10060940, 16097504, 20121880, 40243760, 80487520]

約数ペア:

[(1, 80487520), (2, 40243760), (4, 20121880), (5, 16097504), (8, 10060940), (10, 8048752), (16, 5030470), (17, 4734560), (20, 4024376), (32, 2515235), (34, 2367280), (40, 2012188), (68, 1183640), (80, 1006094), (85, 946912), (127, 633760), (136, 591820), (160, 503047), (170, 473456), (233, 345440), (254, 316880), (272, 295910), (340, 236728), (466, 172720), (508, 158440), (544, 147955), (635, 126752), (680, 118364), (932, 86360), (1016, 79220), (1165, 69088), (1270, 63376), (1360, 59182), (1864, 43180), (2032, 39610), (2159, 37280), (2330, 34544), (2540, 31688), (2720, 29591), (3728, 21590), (3961, 20320), (4064, 19805), (4318, 18640), (4660, 17272), (5080, 15844), (7456, 10795), (7922, 10160), (8636, 9320)]